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How to upgrade Android 8.0 (Oreo) for Samsung S8 (G950U) and S8+ (G955U)

Here is the update guide for Android 8.0 (Oreo) for Samsung Galaxy S8 (SM-G950U) and S8 + (SM-G955U).

NOTE:

  • Backup data to avoid data loss.
  • Battery must be >70%.
  • We are not responsible for any risks during the upgrade process.

DOWNLOAD:

HOW TO UPDATE:

  1. Flash your phone to Android 7 by Odin v3.12.7
  2. After back to Android 7, we’ll update device to Android 8 by Sideload in Recovery
  3. You need to download adb-fastboot.zip
  4. Extra adb-fastboot.zip to adb-fastboot folder
  5. Copy Android_8_G95xU.zip file to adb-fastboot folder
  6. Reboot device to Recovery mode (Press Volume Up + Home + Power)
  7. In Recovery Mode, select to Apply update from ADB and press Power buttom
  8. Install driver: SAMSUNG_USB_Driver_for_Mobile_Phones.zip
  9. In adb-fastboot folder, open ADB_Tools file and type:
    – Samsung S8: adb sideload Android_8_G950U.zip
    – Samsung S8+: adb sideload Android_8_G955U.zip
  10. After update, you need to choose Wipe data/factory reset
  11. End, reboot and done. Have a nice day 😀

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yousef
yousef
3 years ago

hi , i have samsung galaxy s8+ t-mobil G955U sim lock , is thes the way to open mi phon ??