Nest thermostat root Compare smart thermostats to find your best option. That’s exactly what happened last month to the 1st and 2nd gen Nest Thermostat. Mar 8, 2022 · Answered: My thermostat (nest learning 3) reports high ping times. Apr 26, 2025 · The Nest Thermostats listed here are falling back to "Honeywell local thermostat" functionality. Turn up your savings. 1. It comes with a Nest Temperature Sensor (2nd gen) in the box to help manage hot and cold spots, and offers more advanced controls over your comfort. A Nest Thermostat is a smart thermostat that can be controlled remotely by using a mobile device, computer, or voice command. This comprehensive guide covers the history, key model changes Aug 15, 2022 · Nest thermostats improve how you use your HVAC system, unless an error code appears. But no worriesinstalling Google Nest without a C wire is actually quite simple! In this step-by-step guide, youll learn exactly what you need to do to get your new Nest up and running. (rm -rf /tmp/nest_php*) Aug 15, 2022 · Your Nest thermostat optimizes the HVAC system, unless an error code appears. Dec 23, 2024 · The Nest Thermostat is a powerful tool for enhancing your home’s energy efficiency and comfort. Start troubleshooting by verifying Nest is actually calling for cooling—check that display shows blue color, “COOLING” status, and temperature set below current reading. . Apr 25, 2025 · Google is cutting support for the first and second-generation Nest Learning Thermostat models. Jan 10, 2025 · A buzzing Nest thermostat can be an annoying problem, but most of the time, it’s easy to fix with the right troubleshooting steps. Thankfully, the open source community has once again come through with a workaround. At first i tried to 'Cast' it as webpage to the device, but that is not fully stable. This could include issues such as the temperature set point being too high or low Jun 24, 2014 · The GTVHacker exploit uses Nest's own pathway for loading software (via the USB port, requiring physical access to the device) to run its own boot-loader and add an SSH server with root access. Shop smart thermostats and a variety of heating & cooling products online at Lowes. Ensure your thermostat remains responsive and maintains optimal comfort while managing energy savings. From removing your existing thermostat to connecting the adapters wires to the Nest, youll be able to Apr 25, 2025 · Google is going to purposefully break old Nest thermostats. This is done by disabling some of the features that are built into the Nest which makes it essentially an on/off heater control and control it with HA’s generic thermostat module. In this blog post, we will delve into the possible reasons why your Nest Thermostat might not be detecting wires and provide practical solutions to resolve the issue. Hot water setting with system boiler Problem with heating in a radiant floor setup. If your Nest thermostat responds to the app, it's probably due to a screen glitch or a broken display. exploitee. Dec 16, 2024 · Understanding these common problems and knowing how to resolve them is essential to ensuring your thermostat continues to work efficiently. Apr 25, 2025 · Software support for the original and second-gen Nest Learning Thermostat devices will end on October 25th, leaving customers unable to control them from a phone. Also for: Learning thermostat. PROBLEM: Locked out of the Nest Thermostat by the pin and it is either not responding to the Nest App or has been removed from the home and needs a Factory Reset. May 4, 2025 · The Nest Thermostat is one of the smartest ways to control your home’s temperature, save energy, and boost your comfort with minimal effort. Nest thermostats work with your smartphone so you can control them from anywhere. Do I do this using rules? Using scripts? How to tell which Nest thermostat you have Tip: If your thermostat is not listed above, go to our How to install your Nest thermostat article for the Nest Thermostat E or Nest Learning Thermostat (3rd gen or earlier). Aug 4, 2025 · Conclusion Dealing with a Nest thermostat that won’t charge can be frustrating, but understanding the root causes makes troubleshooting much easier. Visit http://Exploitee. Don’t […] Nov 19, 2022 · Step 1: Restart Nest Thermostat A restart of your Nest thermostat is the easiest first step to take, and it might solve your problem. These models will no longer receive updates and won't support remote control as of October 25, 2025 Apr 30, 2025 · Google is giving these older Nest thermostats about six months of smart functionality before pulling the plug. You're currently at home and can get to your thermostat, Wi-Fi router, and modem. The Nest Thermostat is a smart thermostat developed by Google Nest and designed by Tony Fadell, Ben Filson, and Fred Bould. Your thermostat, like most other electronic devices, might be fixed with a restart. The Nest Learning Thermostat (4th gen) works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant. Apr 25, 2025 · Google will end support for the first and second generations of the Nest Learning Thermostat on October 25, 2025, removing smart features and app integration, effectively turning them into basic The demo shows that hackers can get remote root access to a Nest Thermostat by connecting a USB cable to it for less than 15 seconds. Here are a May 6, 2023 · If your Nest App is showing your thermostat offline when your thermostat seems to be connected to wifi, this is in many cases due to a low battery level or absence of a power wire. The actual system the nest thermostat is using only controls radiant heat in the underfloor system and hot water to the rest of the house continues to be supplied in an The Nest Thermostat helps you save energy and stay comfortable by learning your schedule and adjusting the temperature automatically. “The Nest Learning Thermostat (3rd gen, 2015) and Nest Thermostat E (2018) will continue May 22, 2023 · Quick Summary Nest thermostats can sometimes fail to power on due to issues, most commonly wiring problems. Apr 25, 2025 · Google doesn't plan to sell any more Nest Thermostats in Europe due to the unique requirements of heating systems in the region. Dec 2, 2024 · Learn step-by-step how to remove your Nest thermostat from Google Home with ease while addressing common issues faced during the process. In the demonstration that the team has replicated on Youtube, Daniel Buentello from the University of Central Florida shows how he is able to gain root access and remote control over a Nest thermostat via USB in 15 seconds. Cody Kociemba This Linux kernel is only used to access the Nest’s file system and add a cross compiled SSH server called Dropbear. Nest Thermostats save energy by adjusting automatically when you're away, helping reduce heating and cooling bills while maintaining comfort. Jan 10, 2019 · The goal of this writeup was to use alternative sensors outside of the Nest thermostat due to a problem I had with its location near a minor heat source. The latest Nest Learning Thermostat is packed with new, brilliant ways to help save energy and keep you comfortable. Dec 11, 2023 · Double-check that all the wires are connected correctly to the Nest thermostat and boiler terminals. So take a few moments to review this guide and make sure you know what wires go where on your Nest thermostat. ” You can use the thermostat to change your home's temperature, but not with the app. Sep 26, 2023 · Learn how to change the battery in a Nest thermostat with our step-by-step guide. Learn how to correctly wire the Nest 3rd generation thermostat and optimize your home's heating and cooling system for maximum efficiency. In this step-by-step guide, we’ll show you exactly how to install a Nest Thermostat with just two wires. Need assistance with your Google Nest product? Learn how to reach Google Nest customer service for help and support. Nov 11, 2025 · The big concern with internet-connected smart home devices is that they could be turned off one day. Especially now that they updated the Hub to run Fuchsia OS. Dec 24, 2023 · Python API and command line tool for talking to the Nest™ Thermostat through new Google API May 4, 2024 · Hi , Thanks for reaching out to the community! I understand your frustration with the thermostat constantly showing 'Starting Soon' for cooling. Some of the most common causes include: Incorrect settings: The Nest Thermostat settings may be incorrect or misconfigured, causing it to not cool properly. To fix this problem try recharging to your thermostat to at least 3. May 10, 2024 · The Nest Thermostat is a smart home device designed to optimize energy efficiency and comfort in your home. [1] It is an electronic, programmable, and self-learning Wi-Fi -enabled thermostat that optimizes heating and cooling of homes and businesses to conserve energy. Apr 22, 2024 · Navigate common Nest thermostat issues with our troubleshooting guide! Solve battery, Wi-Fi, and sensor problems to get your smart home back on track. Apr 10, 2023 · If you're struggling to locate the entry key on your Nest thermostat and need some guidance on how to find it, you've come to the right place. Jul 1, 2021 · I want to be able to programatically retrieve information from the Nest thermostats (such as reading the current setpoint, temperature, or heating/cooling mode), and send some basic commands (such as changing the set point, or cycling the HVAC on/off). Google pulled the plug, stripping these otherwise perfectly functional devices of their original functionality. Sign inTo continue, change your browser settings to allow third-party cookies and try again. Feb 17, 2025 · The Nest Learning Thermostat (4th Gen) is getting a ton of buzz for its sleek design, but how easy is it to use, and how does it work? Here’s my review of how well it controls temperatures when you’re at home and away, including pros and cons and photos of it in use. com. Save energy, boost comfort, and simplify your smart home today. Dec 14, 2022 · The Google Nest thermostat has revolutionized the thermostat ecosystem in the same way that the iPhone revolutionized the cellphone industry. “Heating systems in Europe are unique and have a variety of hardware and software requirements that make it challenging to build for the diverse set of homes,“ the company said. Reset your thermostat to clear your personal settings. However, there are times when you might need to perform a factory reset on your Nest Thermostat Aug 7, 2024 · An outline of the article Troubleshooting Cooling Issues with the Nest Thermostat Nest Thermostat cooling problems can be caused by a variety of factors. It's great that you've already tried troubleshooting steps like changing the batteries, resetting the thermostat, and replacing the air filter. Explore these smart thermostats that learn from you and save energy. Find the correct wiring diagram for your Nest thermostat installation. Your comprehensive guide to the Google Nest Learning Thermostat (3rd Gen), covering setup, features, how-to guides, and in-depth troubleshooting for models T3007ES & T3008US. Installing a new Nest thermostat can be somewhat complicated, but don’t worry, I’m here to help. I've restarted everything, and checked on service status. While Nest thermostats are designed to charge themselves from your HVAC system’s C-wire (common wire), various wiring and power issues can prevent proper charging, leading to battery drain and system failures. Whether you’re a tech novice or a seasoned DIYer, this guide will help you get your thermostat back on track. Installing a Nest Thermostat in your home can seem like a daunting task, but with the right guidance, it can be done with relative ease. Dec 19, 2023 · Learn how to distinguish between the 1st, 2nd, and 3rd generation Nest smart thermostats and make an informed decision for your home's automation needs. /tmp/nest_phpxxxxxx, if you test this script with the root user, and Domoticz runs as user pi, don't forget to remove them after testing. It allows you to set a schedule for heating and cooling your home, and can also be used to monitor energy usage and adjust the temperature based on occupancy. g. Usually, the fan starts when it's time to heat or cool your space and should stop automatically once the room is comfy. This can lead to confusion and discomfort, especially during extreme temperatures. In this Shop Best Buy for Google Nest smart thermostats. Ensure the wires are securely tightened in the terminals. Quick DIY fix to keep your smart thermostat running. 5K subscribers Subscribed 1 day ago · When your smart thermostat repeatedly restarts, reboots, or cycles on and off, it disrupts your home comfort, prevents proper HVAC control, and indicates an underlying power or system problem. Jul 25, 2025 · Learn how to change temperature and handle events for all Google Nest Thermostat models. Nest thermostats work with your smartphone and learn your habits for energy-saving comfort. Jun 24, 2014 · Google Nest: Exploiting DFU For Root Posted: June 24th, 2014 | Author: cj_000 | Filed under: Nest | 8 Comments » Nest, a company recently acquired by Google, offers a variety of popular network enabled home utilities. Discover common issues related to dead batteries, essential tools needed, and safety precautions to follow. Jun 19, 2025 · The Nest Thermostat is a popular smart thermostat designed to help you efficiently manage your home’s heating and cooling while saving energy. The Nest Learning Thermostat (4th gen) is a smart thermostat that learns your schedule and helps save energy. Smart Nest Thermostat Smart Spy in Your Home Grant Hernandez, Orlando Arias, Daniel Buentello, and Yier Jin Security in Silicon Laboratory, University of Central Florida Download Google Nest Learning Thermostat 4th gen Manual PDF. Dec 25, 2023 · Explore why your Nest Thermostat isn't heating, from connectivity to system errors. I've moved it away from A thermostat restart can fix some common issues. Apr 25, 2025 · Essentially, your older Nest thermostat will become a dumb thermostat with a nice screen to control temperature and scheduling. 6 days ago · Nest Thermostat Data Collection continues on discontinued 1st and 2nd gen models, sending temperature and motion logs to Google. Fix no power to R wire detected problem and contact customer support to fix the troubleshooting. Nest Attack - Root on the Nest Thermostat The Exploiteers 22. newish house, system boiler setup. Jun 10, 2025 · When your Nest Thermostat isn’t working as expected, troubleshooting can help you identify and fix common issues. If you need further help, or find a restart doesn’t fix the issue, go to our thermost The Nest Thermostat Trim Kit enhances your thermostat's appearance and ensures a seamless installation for any wall, matching your home's decor. This device, although seemingly useful, if Mar 21, 2024 · Remember, it’s important to ensure that the thermostat is receiving power, has a sufficient battery level, and is not exposed to extreme temperatures or direct sunlight. If you’re interested in getting a new Nest thermostat, you’ll need to swap the backplate as a Nest Learning thermostat 2nd generation’s backplate isn’t compatible with the Nest thermostat display. Jun 21, 2025 · Use the Nest app on your smartphone or tablet to check if the thermostat responds. If basic checks don’t fix the issue, don’t hesitate to reach out to a professional for help. . But if you’ve recently got one and are thinking about how to use Nest thermostat? Don’t worry. However, users often encounter the frustrating issue of their Nest thermostat switching to Eco mode unexpectedly. Here's how to find out if you own one and what will happen if you do. Thermostat thermostat pdf manual download. Nest Thermostats can turn itself down when you leave the house, so you don’t waste energy on an empty home and Nest Thermostats save an average of 10% to 12% on heating bills and 15% on cooling bills. Jun 25, 2014 · This allows anyone to remotely control the Nest thermostat, a wonderful addition to the Nest that doesn’t rely on iPhone apps or a cloud service to remotely control your Internet enabled Nov 9, 2025 · Google’s sunsetted Nest Gen 1 and Gen 2 thermostats have been given a new breath of life by a frustrated developer's No Longer Evil Thermostat firmware. View and Download nest Thermostat installation manual online. Has anyone successfully flashed the GTV image to a Nest Thermostat v3? https://blog. Resetting your device to its factory settings often resolves many problems, but before taking that step, it’s essential to understand what might be going wrong. The Nest Learning Thermostat (4th gen) is a smart thermostat that learns your schedule and helps you save energy. Aug 15, 2022 · Using a Nest thermostat is one of the most convenient ways to improve the everyday schedule of your heating and cooling. Nov 26, 2021 · He added there might be something else running in the background. By doing so, you can determine whether the issue lies with the thermostat's display or the entire device itself. They will still work for turning the dial locally to control the temp. Learn how to install and set up your Nest Learning Thermostat (4th gen) in a few simple steps. Discover energy-saving and smart temperature control with the Google Nest Thermostat, designed to enhance your home's comfort and efficiency. About device root shell and custom server implementation for Nest Learning Thermostat 2Gen My question is, what do you think was the root source of the system failure? And how can I protect my NEST and AC from both getting fried again? Do you think there was something wired up wrong on the AC side that caused the capacitor to explode and send an arc back across a relay to fry the NEST? Get comfortable with Nest Thermostat. New energy-saving features like natural heating and cooling, Adaptive Eco, and smart ventilation analyze different data points to Nov 10, 2025 · As smart thermostats become a household essential in the U. Feb 6, 2022 · NEST Thermostat Temperature Wrong: These are the 2 ways on how you can fix Nest thermostat showing wrong temperature. rs/2014/google-nest-exploiting-dfu-for-root/ Jun 29, 2024 · Operating a Nest thermostat is one of the most convenient ways to improve the day-to-day schedule of your heating and cooling. Find Nest smart thermostats at Lowe's today. Learn about its features, troubleshooting steps, and professional repair options. Here are 9 methods to fix the problem. The Nest Learning Thermostat (4th gen) is a smart device that adapts to your schedule and helps save energy efficiently. Feb 23, 2024 · Operating a Nest thermostat is one of the most convenient ways to optimize the day-to-day schedule of your heating and cooling. Ensuring proper wiring and power supply is key to keeping your thermostat running smoothly. Most troubleshooting steps require you to be physically present. However, you may also follow step-by-step hacks until you get rid of the problem. This allows a user to connect to their Nest and obtain root access on their thermostat. This diagram shows the 5-wire configuration for easy setup and installation. Jul 21, 2025 · Is your Nest thermostat not properly heating or cooling the house as it should? Here, I’ll show you how to troubleshoot these issues. Contribute to chriseng/nestgraph development by creating an account on GitHub. 7v and try running again or install a power wire to provide consistent power to your thermostat. Apr 25, 2025 · Discover the 4th gen Nest Learning Thermostat with smart features, energy-saving capabilities, and easy control via Nest Renew. With its sleek design and intelligent features like learning your schedule and remote control via smartphone, it has become a favorite for many homeowners. This smart thermostat can be taught your preferences and automatically make improvements. However, like all smart devices, there may come a time when you need to reset your Nest Thermostat —whether it’s due to Wi-Fi connectivity issues, system errors, or a change in ownership. rs for more information on Nest Attack!Follow us on Twitter: @Exploiteers Understanding the root cause is essential for a proper fix. This smart thermostat can learn your preferences and automatically make changes. Also know that the Nest thermostats can even be easily compromised by attackers who are in transit, deployed, or accessible in unsafe locations. Feb 7, 2020 · This scipt is using cachefiles e. Before opening the Nest Learning Thermostat package, check all the wires connected to the current thermostat against the list of available connectors in this guide, or use the Compatibility Checker to quickly verify if the system is compatible. Jun 26, 2025 · Learn how to efficiently replace the battery in your Google Nest thermostat with our comprehensive step-by-step guide. With its ability to connect to Wi-Fi, it provides features like remote control, energy monitoring, and seamless software updates. First, we explore both hardware and software attack surface in search of security vulnerabilities that could permit arbitrary code execution on the device. Official Google Nest Help Center where you can find tips and tutorials on using Google Nest and other answers to frequently asked questions. Nov 10, 2025 · Pair Nest with other devices like your Google Nest Thermostat, door locks, or lighting systems to build a fully automated environment. Explore the how-to videos below for some quick tips and general info on all things Nest Thermostat. Potential solutions include charging with a USB cable, verifying compatibility, adding a previously unused C wire, using the Google Nest Power Protector, re-purposing the G wire as a C wire, using a common wire transformer, converting from a 4-wire to a 5-wire thermostat wire, or Jun 26, 2024 · In the rapidly evolving world of smart home technology, Nest thermostats have emerged as a leading choice for energy-efficient, user-friendly temperature control. With the right wiring in place, you can ensure that your Nest thermostat works properly. Troubleshoot potential problems effectively to keep your home Apr 26, 2025 · In other significant news, Google is flatly stating that it has no plans to release additional Nest thermostats in Europe. In this guide, we’ll cover the 10 most common Nest Thermostat problems and provide practical, step-by-step solutions to help you fix them quickly. Switch off power This protects you and avoids blowing a fuse in your equipment. Jan 19, 2025 · How to Reset Your Nest Thermostat | Easy Steps 4 Are you feeling a little overwhelmed by your Nest Thermostat? You’re not alone! Many users experience moments when they need to reset their devices due to various reasons like connectivity issues, changes in the home’s HVAC system, or simply wanting to give their thermostat a fresh start. However, the complexity of the infrastructure in the Nest Thermostat provides a breeding ground for security vulnerabilities similar It doesn't appear to work on my Nest Thermostat Gen3. Mar 15, 2025 · Learn Nest Thermostat installation, setup, and features in this 2025 guide. [2] The Google Nest Learning Thermostat is based on a machine learning algorithm: for the first weeks users 1 day ago · If your Nest thermostat is displaying a low battery warning or has stopped working due to power issues, you’re experiencing one of the most common problems Nest owners face. Feb 8, 2022 · Python API and command line tool for talking to the Nest™ Thermostat Dec 17, 2024 · Nest thermostats use a combination of learning algorithms, connectivity features, and advanced sensors to enhance user comfort and increase energy savings. The Google Nest Thermostat and Nest Learning Thermostat (4th gen) can only be set up in the Google Home app. Jul 21, 2025 · Is your Nest thermostat constantly offline or can’t find your Wi-Fi connection? If so, check out this guide to fix any related issues. So, my plan is to OR alter the Google firmware to run my own stuff on top of Fuchsia. The Nest Thermostat offers energy-saving features, learns your schedule, and provides smart temperature control for comfort and efficiency. Sep 24, 2021 · A while ago i bought a Google Nest Hub (1st gen) to run my own software/dashboard. I was getting quotes for some heating/cooling projects at home and, while discussing the control panels, I expected that Nest would be an option. Furthermore, cyber-attackers know very little that there is a permanent backdoor to Nest`s root filesystem. These restart issues affect all major smart thermostat brands including Nest, Ecobee, Honeywell Home, and others, but the Jul 21, 2025 · There can be many reasons why your HVAC system and Nest thermostat are short-cycling. This smart thermostat can recognize your preferences and automatically make improvements. Learn the basics of how to use your Google Nest thermostat, change settings, set temperature schedules, save energy, control it with your phone, and more. Learn how to install, reset, and troubleshoot your Nest Thermostat quickly and easily. This smart thermostat can be taught your preferences and automatically make adjustments. If you need more help, use the search bar ab Follow the steps in this article if: The app or thermostat display lists your thermostat as “offline. Common Issues and How to Fix Them Aug 11, 2014 · The Nest thermostat is much more than a regular thermostat because it is a smart device that “learns” your heating and cooling preferences and then builds a personalized temperature schedule Jul 21, 2025 · An HVAC system's blower fan that runs non-stop might mean something needs troubleshooting. So how can you fix a fan that won't turn off? In the steps below, I’ll show you how. The script presents with the 'loading' dots while it supposedly waits for a recognized DeviceID to be presented on USB, but no matter how long I hold the screen down, nothing different is presented on screen. Yes, you can adjust the display brightness through the Nest app or by pressing the “Ring” button on the thermostat. The Nest Learning Thermostat (4th gen) saves energy and keeps you comfortable by learning your schedule and adjusting the temperature. The 2nd Generation Nest Learning Thermostat is the thermostat that never stops The Nest Learning Thermostat (4th gen) offers energy-saving features, smart temperature control, and compatibility with the Google Home ecosystem. Here's how to resolve these seven common error codes on your Nest thermostat. Aug 15, 2022 · Operating a Nest thermostat is one of the best ways to perfect the everyday schedule of your comfort system. Jan 15, 2013 · Create pretty charts of your Nest thermostat data. Apr 23, 2013 · The future of thermostats has a name, and that name is Nest. Jun 1, 2023 · To fix the nest blinking green light on the Nest thermostat, you first need to find out the root cause of it. However, when your Nest Thermostat fails to connect to Wi-Fi, it can disrupt these smart features and leave you frustrated. Refer to the installation manuals for both the Nest thermostat and your specific Worcester Heatslave boiler model. With its debut in 2011, Nest has proven to be such a success that Google spent $3. Final Thoughts Installing a Nest thermostat can be a simple and straightforward process – as long as you know which wires to connect. Start by checking the wiring connections and resetting the thermostat, and then inspect your HVAC system and software for any issues. May 29, 2021 · In this post, we attack the Nest Hub (2nd Gen), an always-connected smart home display from Google, in order to boot a custom OS. To restart your Nest thermostat, press and hold down the thermostat ring for 10 seconds or until the screen turns off. Google says that it will reach out via email with deals for those The Nest Thermostat is a smart home automation device that aims to learn a user's heating and cooling habits to help optimize scheduling and power usage. S. Adjust the temperature on your old thermostat to make sure your system is off. Jun 1, 2023 · Not sure why your Nest thermostat battery won’t charge? If so, then keep reading to see what may be the cause and how to troubleshoot. Nest Thermostat offers comfort control and energy savings, letting you adjust your home's temperature remotely with ease. Nest learns the temperature you like and creates a custom schedule. In this video, learn how to go through the installation proces The thought of installing a new thermostat can be intimidating, especially when you don’t have a C wire. Oct 29, 2024 · Thanks for reaching out to our community. From verifying disconnections to troubleshooting post-removal problems, this comprehensive guide ensures a smooth transition for a seamless smart home experience. Oct 29, 2021 · Ways to fix Nest error E195. I'll explain in detail how to charge a Nest Thermostat and fix the battery not charging. The most popular of which is a thermostat that allows a user to control their household temperature remotely from their smart phone. 2B to acquire the company. We are presenting at Bl 1 day ago · Conclusion Nest thermostat cooling failures typically fall into three categories: configuration errors, wiring problems, or AC equipment issues. I'll discuss any underlying problems that may be at the root of the problem, should it persist. Whether you’re a long-time user or a new adopter, understanding the differences between various Nest thermostat models can help you make the most of their features. , the Google Nest Thermostat stands out for its sleek design, intelligent temperature control, and integration with Google Home. vykv nwgzz pwov gfobbt bbirh frnk suvykm dsbcahx joj abdg kmzlg rassyac rim wikugi kud