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Guides

Step-by-step Android modding guides

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🔓 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 Tab S5e (LTE)

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-T725 SM-T725C SM-T725N SM-T727
  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. Connect the device to a Wi-Fi network.
  9. Enable Developer Options by pressing the “Build Number” option at least 7 times, in the “Settings” app within the “About” menu From within the Developer options menu, enable OEM unlock.
  10. Download vbmeta.img from here .
  11. Open a Command Prompt in the folder where the file was downloaded and TAR the file by running tar --format=ustar -cvf vbmeta.tar vbmeta.img
  12. Power off the device, and boot it into download mode: With USB plugged in, hold Volume up + Volume Down + Power . Now, click the button that the onscreen instructions correlate to “Device unlock mode” and/or “Unlock Bootloader”. Device will restart, repeat steps 1 and 2 to enable the Developer Optio
  13. Download and install the necessary drivers. Download the newest Samsung drivers from here . Install SAMSUNG_USB_Driver_for_Mobile_Phones.exe .
  14. Download this version of Odin.
  15. Extract “Odin_3.13.1.zip”.
  16. Run Odin3 v3.13.1 found in the newly extracted “Odin_3.13.1” folder.
  17. Check the box labeled next to the button labeled “AP”, and then click the “AP” button. In the menu that pops up, select the newly created custom VBMeta .tar file.
  18. Power off the device, and again boot it into download mode: With USB plugged in, hold Volume up + Volume Down + Power .
  19. Check in the top left of the Odin window that you see a valid device, it will show up as something like COM0 . check Tip: The COM port, or the number succeeding COM , may be any valid number.
  20. Click “Start”. A transfer bar will appear on the device showing the VBMeta image being flashed.
⚡ 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