Bolt

byBlockhead · Tools

Verified safeOpen source

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161

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7.0

android

AI summary

Lightweight kernel flasher for AnyKernel3 zips with Material 3 UI. New backup and restore for critical partitions (boot, dtbo, vbmeta, vendor_boot, recovery) with A/B slot awareness. Includes action logger and smart zip validation to prevent bad flashes. GPLv3 libre software, ~1 MB.

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About this app

Bolt Kernel Flasher is a modern Android application designed to easily flash AnyKernel zips on supported devices. Built entirely with Kotlin, it leverages Material 3 Design and Jetpack Compose for a seamless and intuitive user experience.

Features: Fully reproducible, copylefted libre software (GPLv3.0) 100% Kotlin Material 3 Design Jetpack Compose UI Simple and fast kernel flashing Supports AnyKernel zips Smallest APK size possible (around 1.0 MB) Backup and Restore any Partition*

kernel flasher root open source offline system tool

What's new

v1.01.0Nov 8, 2025

Introducing Backup & Restore! 🛡️ You can now create full, direct backups of your critical partitions before flashing. This is the ultimate safety net. The restore feature is also available, allowing you to revert to a previous state if needed.
Available Partitions: We automatically detect the most relevant partitions for backup on your device, including: boot dtbo vbmeta vendor_boot recovery
The feature is A/B-aware and will intelligently back up the active slot.
New Action Logger 📝 Ever wonder what's happening behind the scenes? We've added a new logger that shows you every step of the process, from checking for root to executing commands. This provides full transparency and makes it much easier to debug any issues.
Smart Zip Validation ✅ No more failed flashes due to bad zip files! Bolt now validates your selected file before flashing to ensure it's a compatible AnyKernel3 zip. If the zip is invalid, the app will stop and show an error, saving you from potential headaches.