M236BXXSDEYL1 – Galaxy M23 5G firmware
Build M236BXXSDEYL1 is a security update for the Galaxy M23 5G (SM-M236B)
on Android 14 (One UI 6). It first appeared on Samsung's servers on Jan 15, 2026 (method) and has reached
18 regions so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to M236BXXSCEYJ2 is blocked. Samsung still serves this file.
- Model
- SM-M236B
- Android
- Android 14
- Type
- Security
- Bootloader bit
- 13
- First released
- Jan 15, 2026
- Regions
- 18
Rollout timeline by region
The date each region code (CSC) first received M236BXXSDEYL1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XID | Indonesia | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLEDEYL1/M236BXXSDEYL1 |
GLB | Philippines (Globe) | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLMDEYL1/M236BXXSDEYL1 |
THL | Thailand | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLMDEYL1/M236BXXSDEYL1 |
XME | Malaysia | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLMDEYL1/M236BXXSDEYL1 |
XTC | Philippines | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLMDEYL1/M236BXXSDEYL1 |
XXV | Vietnam | Jan 15, 2026 | day 0 | M236BXXSDEYL1/M236BOLMDEYL1/M236BXXSDEYL1 |
EGY | Egypt | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
XSG | United Arab Emirates | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
TUR | Turkey | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
MWD | Morocco | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
MID | Middle East | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
LYS | Libya | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
KSA | Saudi Arabia | Jan 19, 2026 | +4 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
EUX | Europe (Multi-CSC) | Jan 20, 2026 | +5 days | M236BXXSDEYL1/M236BOXMDEYL1/M236BXXSDEYL1 |
EUY | Europe (Multi-CSC) | Jan 20, 2026 | +5 days | M236BXXSDEYL1/M236BOXMDEYL1/M236BXXSDEYL1 |
SEK | Ukraine | Jan 20, 2026 | +5 days | M236BXXSDEYL1/M236BOXMDEYL1/M236BXXSDEYL1 |
SER | Russia | Jan 20, 2026 | +5 days | M236BXXSDEYL1/M236BOXMDEYL1/M236BXXSDEYL1 |
SLK | Sri Lanka | Jan 27, 2026 | +12 days | M236BXXSDEYL1/M236BOJMDEYL1/M236BXXSDEYL1 |
Download and release notes
samloader download -m SM-M236B -r EUX -v M236BXXSDEYL1/M236BOXMDEYL1/M236BXXSDEYL1Samsung's release notes and security patch level for this update: SM-M236B / EUX on doc.samsungmobile.com. What each part of the build number means: decode M236BXXSDEYL1.