Samsung Galaxy Tab Active4 Pro 5G (SM-T636B) Firmware Overview
What is the latest SM-T636B firmware?
T636BXXSBDZH4, released August 15, 2026 with Android 15. It is a security update on bootloader binary 11. The archive holds 62 official builds across 22 regions (CSC).
Is the Samsung Galaxy Tab Active4 Pro 5G still getting updates?
Yes. The newest build is from August 2026, and 22 of 22 regions already have a build from that month; the rest usually follow within a few weeks.
Can I downgrade the SM-T636B firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 10 to 11:
- Binary 11 — since May 2026
- Binary 10 — since Feb 2026
A phone already on binary 11 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 11 build. How to read a build number.
All SM-T636B firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
T636BXXSBDZH4
Security update
|
11 | CHO | 15 |
2026-08-15 | Download |
|
T636BXXSBDZH4
Security update
|
11 | MXO | 15 |
2026-08-15 | Download |
|
T636BXXSBDZH4
Security update
|
11 | COO | 15 |
2026-08-15 | Download |
|
T636BXXSBDZH4
Security update
|
11 | PEO | 15 |
2026-08-15 | Download |
|
T636BXXSBDZH4
Security update
|
11 | GTO | 15 |
2026-08-15 | Download |
|
T636BXXSBDZH4
Security update
|
11 | EUY | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | EGY | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | SKZ | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | MWD | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | CAU | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | XSG | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | ILO | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | XME | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | XSP | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | THL | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | MID | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | XSA | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | KSA | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | XNZ | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | TEL | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | EUX | 15 |
2026-08-14 | Download |
|
T636BXXSBDZH4
Security update
|
11 | ILP | 15 |
2026-08-14 | Download |
|
T636BXXSBDZE2
Security update
|
11 | PEO | 15 |
2026-05-22 | Download |
|
T636BXXSBDZE2
Security update
|
11 | GTO | 15 |
2026-05-22 | Download |
|
T636BXXSBDZE2
Security update
|
11 | MXO | 15 |
2026-05-22 | Download |
|
T636BXXSBDZE2
Security update
|
11 | CHO | 15 |
2026-05-22 | Download |
|
T636BXXSBDZE2
Security update
|
11 | COO | 15 |
2026-05-22 | Download |
|
T636BXXSBDZE2
Security update
|
11 | ILP | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | XME | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | ILO | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | EGY | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | XSG | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | MWD | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | XSP | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | MID | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | THL | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | XSA | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | KSA | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | XNZ | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | TEL | 15 |
2026-05-21 | Download |
|
T636BXXSBDZE2
Security update
|
11 | EUY | 15 |
2026-05-20 | Download |
|
T636BXXSBDZE2
Security update
|
11 | SKZ | 15 |
2026-05-20 | Download |
|
T636BXXSADZB4
Security update
|
10 | THL | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | XSP | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | XSA | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | TEL | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | MXO | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | GTO | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | COO | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | PEO | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | CHO | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | XNZ | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | XME | 15 |
2026-03-10 | Download |
|
T636BXXSADZB4
Security update
|
10 | KSA | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | ILP | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | MID | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | MWD | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | ILO | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | XSG | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | EGY | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | SKZ | 15 |
2026-03-09 | Download |
|
T636BXXSADZB4
Security update
|
10 | CAU | 15 |
2026-03-09 | Download |
Latest SM-T636B Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| CAU | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| CHO | T636BXXSBDZH4 | 11 | 15 | 2026-08-15 |
| COO | T636BXXSBDZH4 | 11 | 15 | 2026-08-15 |
| EGY | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| EUX | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| EUY | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| GTO | T636BXXSBDZH4 | 11 | 15 | 2026-08-15 |
| ILO | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| ILP | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| KSA | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| MID | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| MWD | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| MXO | T636BXXSBDZH4 | 11 | 15 | 2026-08-15 |
| PEO | T636BXXSBDZH4 | 11 | 15 | 2026-08-15 |
| SKZ | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| TEL | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| THL | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| XME | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| XNZ | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| XSA | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| XSG | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
| XSP | T636BXXSBDZH4 | 11 | 15 | 2026-08-14 |
How to Flash SM-T636B Firmware
Put the Samsung Galaxy Tab Active4 Pro 5G into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 11 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.