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iGulu

<div data-page-id="RlFZdp98XoatmsxTjBXcQDuznab" data-lark-html-role="root" data-docx-has-block-data="true" id="isPasted">Optimize the Network Environment:<ul><li data-list="bullet" style="font-family: Inter; font-size: 16px;">Move the device within 5 meters of the router, avoiding walls or metal obstructions.</li><li data-list="bullet" style="font-family: Inter; font-size: 16px;">Disable the router&#x2019;s QoS (Quality of Service) bandwidth limiting feature if enabled, and prioritize bandwidth for the upgrading device.</li></ul>&#xA0;Use a Mobile Hotspot Instead of Wi-Fi:<ul><li data-list="bullet" style="font-family: Inter; font-size: 16px;">Turn on your mobile hotspot and ensure the signal strength is at least 3 bars.</li><li data-list="bullet" style="font-family: Inter; font-size: 16px;">After connecting to the hotspot, go to the device settings and tap &quot;Upgrade&quot; again.</li></ul>Note&#xFF1A;For cross-version upgrades (e.g., from v2.1.0 &#x2192; v2.5.9 &#x2192; v2.7.4), multiple upgrade steps may be required (2&#x2013;3 times), and download times may be longer than usual.</div>

Fix stalled firmware updates caused by Wi-Fi or system interruptions.

Why is my firmware upgrade stuck?

Troubleshooting & Support

Device Issues

How to unbox my iGulu F1/S1?

First Brew

How to upgrade firmware?

First Cleaning

Device Setup

How do I download the iGulu app?

How do I register or log in to my account?

How do I bind my machine?

Do I need the app to use the machine?

APP Setup

Getting started

Brewing Guide

Dispensing Guide

CO₂ Guide

Cleaning & Maintenance

Use Guide

About Brew Kits

Equal-Pressure Bottles

CO₂ Cylinder

CO₂ Adapter

Tubes, Spouts, Keg Lid & Tap Handle

Kits & Accessories

What is Master Mode?

How do I activate Master Mode with Mater Card?

Why can't I activate Master Mode?

How can I activate Master Mode on my iGulu F1 machine if I did not receive the Master Card?

How do I use DIY brewing settings?

Can the Master Card be reused?

Is iGulu Master Mode compatible with all iGulu brewers?

Tips & Techniques for Experimental Brewing

DIY & Master Mode

Using the Machine

Product Registration

How can I check the status and tracking of my iGulu order?

What if I need to update my shipping address or have questions about shipping fees?

What should I do if I receive my iGulu machine but some items like brew kits or accessories are missing?

How long does shipping take?

How do I report a problem with delivery?

Order & Shipping

What is the return policy?

Am I eligible for a return?

How do I start a return?

When will I receive my refund?

Who pays for return shipping?

What should I do if my item is damaged or defective?

Returns & Refunds

What does the iGulu warranty cover?

What is the warranty period?

What is not covered by the warranty?

How do I register my warranty?

How do I request a warranty repair or replacement?

Warranty

Orders & Services

Why can’t the app find my device?

Why does the device binding process time out?

Why does my device show offline in the app?

Why can’t I receive the verification code?

Why does it say my email/phone number is already registered?

Why can’t I log in due to an incorrect password?

APP Issues

What causes an iGulu F1 machine screen not to light up and how can it be fixed?

Why isn’t my machine cooling properly?

Why is my keg pressue too low?

Why is my keg pressure too high?

Why does my brew taste flat?

Why does my brew taste too sweet?

Brewing & Fermentation Issues

Why is there too much foam when I pour my beer?

Why isn’t beer coming out?

How to dispense beer without a CO2 cylinder or if the cylinder is empty?

Why is my brew overflowing?

Dispensing Issues

Why is my firmware upgrade stuck?Updated 2 hours ago