Firmware update / Stock ROM : Samsung Galaxy Tab S3 SM-T820 to Android 8.0.0 Oreo. The firmware available for downloading https://www.sammobile.com/firmwares/galaxy-tab-s3/SM-T820/. You can download your Samsung Galaxy Tab S3 SM-T820 firmware at the page, available for some countries. How to Root for Samsung Galaxy Tab S3 SM-T820 is the separated post, this post only for upgrading to Android 8.0.0 Oreo.
Firmware details below is one of the Android 8.0.0 Oreo firmware, you can download it according to your country at the link above.
Model SM-T820
Model name Galaxy Tab S3
Country United Kingdom
Version Android 8.0.0
Changelist 13482624
Build date Sun, 14 May 4197 14:25:43 +0000
Security Patch Level 2018-04-01
Product code BTU
PDA T820XXU1BRE2
CSC T820OXA1BRE2
How to install Android 8.0.0 Oreo on Samsung Galaxy Tab S3 SM-T820 :
- Extract (unzip) the firmware file. Download at https://www.sammobile.com/firmwares/galaxy-tab-s3/SM-T820/ if it does not work try download it from updato.com unlimited speed
- Download Odin http://odindownload.com/SamsungOdin/
- Extract Odin ZIP file
- Open Odin
- Reboot Phone in Download Mode ( Turn Power off the phone, Press and hold Volume Down key then press and hold Power key, Release all key when Download Mode / Odin Mode appears then Press and release Volume Up key )
- Connect the phone to PC with USB Cable Data
- Wait until you get a blue sign in Odin
- Add the firmware files AP, BL, CP and CSC. If the firmware comes with single file, insert it on the AP only.
- In Option make sure to ticked F.Reset Time and Auto-Reboot only
- Click the start button, sit back and wait few minutes
If you got Boot Loop after update samsung firmware read this How to Fix Boot Loop After Update Samsung Android Firmwares
Warning!
- Make sure to backup your data, It will erase all the data.
- Make sure the firmware is match with your Samsung Galaxy model number
- Make sure to ticked F.Reset Time and Auto-Reboot only
- if you get error message “SECURE CHECK FAIL: BOOTLOADER” when flashed the ROM, try to use the newest version of the firmware update.
- If your device rooted, flashing firmware will unroot it.
- Do this with your own risk