Install custom ROM on Xperia XZ1

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1 minute

Install custom ROM on Xperia XZ1

2025-10-12

Mobile

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Cover image source: Xperia XZ1の特徴（スペック・機能）価格まとめ！

Prerequisites#

Before you start:

Install Android SDK Platform Tools
Confirm your model is Sony Xperia XZ1 (G8341 / G8342 / G8343)
Enable USB Debugging
Unlock the bootloader
Backup

Process log#

Install TWRP.

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adb reboot bootloader

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fastboot flash recovery YOURTWRP.img

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fastboot reboot

Install a Custom ROM via TWRP (ADB Sideload Method).

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adb devices

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adb sideload YOURROM.zip

Useful ADB and Fastboot Commands#

(Compiled and explained by ChatGPT)

Below are some commonly used commands that can help during the flashing or troubleshooting process.

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📱 ADB Commands
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- `adb devices` — Lists all connected devices recognized by ADB
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- `adb reboot bootloader` — Reboots the device into Fastboot mode
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- `adb sideload <filename>.zip` — Installs a ROM or update package via ADB sideload
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- `adb push <local> <remote>` — Transfers a file from your computer to the device
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- `adb pull <remote> <local>` — Copies a file from the device to your computer
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⚡ Fastboot Commands
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- `fastboot devices` — Lists devices connected in Fastboot mode
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- `fastboot flash recovery twrp.img` — Flashes a custom recovery (e.g., TWRP)
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- `fastboot boot twrp.img` — Temporarily boots into TWRP without flashing it
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- `fastboot flash boot boot.img` — Flashes the boot image
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- `fastboot reboot` — Reboots the device normally
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💡 Tip
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Always verify your device connection with `adb devices` or `fastboot devices` before running any flash commands.