1.5 minuty na XDA...
Requirements
-1. Samsung Galaxy Note 10.1 GT-N8000 (for models like N8010 or N8013 may work also)
-2. Root access required (For those doesn't know how to root,
this guide will help you)-3. [root] Mobile ODIN Pro https://play.google.com/store/apps/d...odin.pro&hl=en
-4. Note 10.1 GT-N8000 ANDROID 4.1.2 Jellybean Firmware Firmware archive | Samsung Updates (If you're having N8010: Firmware archive | Samsung Updates If you're having N8013: Firmware archive | Samsung Updates ) Make sure to find your own country's firmware
I'm not responsible if you bricked your device or making your device even worse using this tutorial! Please remember, YOU ARE TAKING YOUR OWN RISK TO DO THIS! YOUR WARRANTY WILL BE VOID!
Preparation
1. Make sure your device is ROOTED.
2. Backup all your important data and all your apps, you may use Helium Backup for Android
3. Make sure you have [root] Mobile ODIN Pro installed on your device.
4. Make sure you downloaded the Android 4.1.2 firmware into your device's sd card or internal storage, or download it using PC and transfer to your device.
Main Instruction
1. Launch [root] Mobile ODIN Pro.
2. Grand access with superuser.
3. Mobile Odin Pro requires an add on, so DOWNLOAD IT.
4. Select "Open File... (Open file to archive .tar, .tar.md5, and separate files supported)"
5. Locate to where you downloaded your 4.1.2 firmware.
6. Everything will be automatically done, now just TICK the Wipe date and cache, TICK the Wipe Dalvik cache (as shown in the picture below)
7. Click Flash firmware (please keep in mind your device will factory reset it)
8. Wait for some time and it should be revert back to your BELOVED ANDROID 4.1.2 JELLYBEAN SYSTEM!