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Guides

Step-by-step Android modding guides

Showing guides for herolte — show all guides

🔓 Bootloader Unlock

Unlock Bootloader

Wipes everything. Samsung Knox trips permanently on unlock — no way back.

8 steps ▼
  1. Back up all data — unlocking factory resets your device
  2. Enable Developer Options: Settings → About Phone → tap Build Number 7 times
  3. Enable OEM Unlocking in Developer Options
  4. Enable USB Debugging in Developer Options
  5. Connect to PC: adb reboot bootloader
  6. Unlock: fastboot flashing unlock (older: fastboot oem unlock)
  7. Confirm on device screen — wipe happens immediately
  8. Device reboots to stock setup wizard
🛠 Install Recovery

Install TWRP Recovery

Use the exact TWRP build for your device model number. Wrong builds can brick.

5 steps ▼
  1. Download TWRP .img for your exact device variant from twrp.me
  2. Boot to fastboot: adb reboot bootloader
  3. Flash: fastboot flash recovery twrp.img
  4. Boot into recovery immediately: fastboot boot twrp.img
  5. In TWRP swipe to allow modifications
🛠 Install Recovery

Install OrangeFox Recovery

OrangeFox is only available for select devices.

4 steps ▼
  1. Download OrangeFox .img for your device from orangefox.tech
  2. Boot to fastboot: adb reboot bootloader
  3. Flash: fastboot flash recovery orangefox.img
  4. Boot into recovery: fastboot boot orangefox.img
📦 Install ROM

Install LineageOS onSamsung Galaxy S7

20 steps ▼
  1. Read through the instructions at least once before actually following them, so as to avoid any problems due to any missed steps!
  2. Make sure your computer has adb . Setup instructions can be found here .
  3. Enable USB debugging on your device.
  4. Make sure that your model number is one of the following (exact match required!): SM-G930F SM-G930FD SM-G930S SM-G930K SM-G930L SM-G930W8
  5. Boot your device with the stock OS at least once and check every functionality.
  6. Remove all Google accounts from your device to avoid “Factory reset protection”
  7. LineageOS is provided as-is with no warranty. While we attempt to verify everything works you are installing this at your own risk!
  8. Enable Developer Options by pressing the “Build Number” option in the “Settings” app within the “About” menu From within the Developer options menu, enable OEM unlock.
  9. Download and install the appropriate version of the Heimdall suite for your machine’s OS Windows : Extract the Heimdall suite zip and take note of the new directory containing heimdall.exe . You can verify Heimdall is functioning by opening a Command Prompt or PowerShell in that directory and runnin
  10. Power off the device, and boot it into download mode: With the device powered off, hold Volume Down + Home + Power . Now, click the button that the on screen instructions correlate to “Continue”, and insert the USB cable into the device.
  11. For Windows users only : install UsbDk .
  12. On your machine, open a Command Prompt or PowerShell (Windows) window, or Terminal (Linux or macOS) window, and type: heimdall print-pit
  13. If the device reboots that indicates that Heimdall is working properly. If it does not, please refollow these instructions to verify steps weren’t missed, try a different USB cable, and a different USB port.
  14. Download a custom recovery - you can download TWRP . Simply download the latest recovery file, named something like twrp-x.x.x-x-herolte.img and rename it to recovery.img . check Tip: Ensure you download the .img file and not the .tar or .tar.md5 versions. warning Important: Other recoveries may not
  15. Power off the device, and boot it into download mode: With the device powered off, hold Volume Down + Home + Power . Now, click the button that the on screen instructions correlate to “Continue”, and insert the USB cable into the device.
  16. On your machine, open a Command Prompt or PowerShell (Windows) window, or Terminal (Linux or macOS) window, and type: heimdall flash --RECOVERY recovery.img --no-reboot check Tip: The file may not be named identically to what stands in this command, so adjust accordingly. If the file is wrapped in a
  17. A transfer bar will appear on the device showing the recovery image being flashed. info_outline Note: The device will continue to display Downloading... Do not turn off target!! even after the process is complete.
  18. Manually reboot into recovery, this may require pulling the device’s battery out and putting it back in, or if you have a non-removable battery, press the Volume Down + Power buttons for 8~10 seconds until the screen turns black & release the buttons immediately when it does, then boot to recovery:
  19. Build a LineageOS installation package.
  20. If you are not in recovery, reboot into recovery: With the device powered off, hold Volume Up + Home + Power . When the blue text appears, release the buttons. info_outline Note: Please note that while touch inputs work in recovery on most devices, on some devices it may not. If this is the case use
⚡ Root

Root with Magisk

Keep a backup of the original boot.img. Magisk is systemless — safer for updates.

7 steps ▼
  1. Unlock bootloader first
  2. Download stock boot.img for your exact firmware build
  3. Install Magisk app on device
  4. In Magisk: Install → Select and Patch a File → pick boot.img
  5. Copy patched_boot.img to PC
  6. Flash: fastboot flash boot patched_boot.img
  7. Reboot and open Magisk to verify root
⚡ Root

Root with KernelSU

Requires kernel-level support. Not all devices are supported.

5 steps ▼
  1. Check kernelsu.org for a supported kernel for your device
  2. Download the KernelSU kernel .img
  3. Flash: fastboot flash boot kernelsu_boot.img
  4. Install KernelSU Manager from GitHub releases
  5. Grant root from the Manager
⚡ Root

Root with APatch

Alternative to Magisk with kernel patch support.

5 steps ▼
  1. Download APatch from github.com/bmax121/APatch
  2. Extract boot.img from your stock firmware
  3. In APatch app: patch boot.img
  4. Flash patched boot: fastboot flash boot patched_boot.img
  5. Reboot and verify in APatch Manager
🔄 Restore / Unbrick

Restore Stock / Unbrick

Always use firmware matching your exact region and model number.

7 steps ▼
  1. Download official stock firmware for your exact model and region
  2. Samsung: use Odin — flash AP/BL/CP/CSC files
  3. Xiaomi/Poco: use MiFlash in EDL/fastboot mode
  4. Google Pixel: use Android Flash Tool at flash.android.com
  5. OnePlus: use MSM Download Tool for hard bricks
  6. Other devices: check XDA for your specific model
  7. After flash: device reboots to stock
💰 Buy & Sell

Buying & Selling Modified Devices

Unlocked bootloader = lower resale value. FRP locks are illegal to bypass on a device you don't own.

7 steps ▼
  1. BEFORE SELLING: Factory reset and remove Google account (FRP)
  2. BEFORE SELLING: Restore stock ROM and re-lock bootloader if possible
  3. BEFORE SELLING: Disclose Knox trip status to Samsung buyers — it shows in settings
  4. BEFORE BUYING: Ask if bootloader is unlocked
  5. BEFORE BUYING: Check IMEI on imei.info — confirm not blacklisted
  6. BEFORE BUYING: Test camera, speakers, fingerprint, charging
  7. BEFORE BUYING: Verify model number matches your region