The updates just keep on coming.

Only 11 days after their bugfix update, BUKG, Samsung have begun rolling out their 3rd Android 12 release... the December Android Security patch for the S21 series of international devices.

Initially, as always, this is a staged rollout to the non-carrier branded, stock Samsung CSC codes first.

The Galaxy S21 international devices that will receive this update are...

• S21 5G model SM-G991B
• S21+ 5G model SM-G996B
• S21 Ultra 5G model SM-G998B

This latest release replaces the previous G99*BXXU3BUKG build on the international devices.

Changelog

• Device security improved

It is a FOTA, (Firmware Over The Air), update and you can check... Settings > Software update... to see if it is available for you. Alternatively, you can connect to the Samsung PC suite, Smart Switch and check via that.

System information



The update = G99*BXXS3BUL1

Download = 213.20MB

Build date = 30 November 2021

Release date = 07 December 2021

Camera version = 12.0.00.83 (no change)

One UI version = 4.0

Android Security patch = 01 December 2021

This is the 22nd stable update for the Exynos model in 316 days. Average = 1 update every 14 days.

TOP TIP: Wipe the phone's cache partition and use the Galaxy App Booster after updating.


(N.B. This post will be updated as more information becomes available)

 

It looks like Samsung are doing a fast roll-out on this BUL1 December Security patch update.

The following countries and CSC codes have already received it in the last 24 hours...

• Luxembourg (LUX)
• Italy (ITV)
• Netherlands (PHN)
• Spain (PHE)
• Greece (EUR)
• Czechia (XEZ)
• Slovakia (ORX)
• Poland (XEO)
• Portugal (TPH)
• Bulgaria (BGL)
• Serbia (SEE)
• Switzerland (AUT)
• Hungary (XEH)
• Romania (ROM)
• Slovenia (SIO)
• Nordic countries (NEE)
• Germany (DBT)

 

The BUL1 update is now live in the U.K. for the stock Samsung, non-carrier branded, devices on CSC code BTU.
(See post #1 on how to check for the update)

No news on the carrier branded devices for...

EE (EVR)
Vodafone (VOD)
O2 (O2U)
Three (H3G)

 

Asian S21 devices are now receiving the BUL1 December Android Security update on the following CSC codes...

• India (INU)
• Sri Lanka (SLK)
• Nepal (NPL)
• Bangladesh (BKD)
• Vietnam (XXV)
• Philippines (XTC)
• Malaysia (XME)
• Thailand (THL)
• Myanmar (MYM)
• U.A.E. (XSG)
• Georgia (CAU)
• Lebanon (ILP)
• Turkey (TUR)
• Iraq (MID)
• Kazakhstan (SKZ)
• Pakistan (PAK)
• Afghanistan (AFG)
• Saudi Arabia (KSA)

 

It is the turn of African S21 devices to receive the December Android Security update on the following CSC codes...

• Tunisia (TUN)
• Nigeria (NCT)
• Senegal (DKT)
• Morocco (MWD)
• Egypt (EGY)
• Ghana (ACR)
• Libya (LYS)
• Kenya (DKR)

No news yet on the Canadian (G99*W), China/Taiwan (G99*0), Korean (G99*N) or U.S. (G99*U/U1) models yet.

 

Samsung BUL1 update

 

Even more BUL1 December Android Security patch updates for the international S21 devices and CSC codes...

• Israel (ILO)
• Italy (OMN)
• Albania (AVF)
• Kenya (AFR)
• Serbia (TOP)
• Romania (CNX)
• France (XEF)
• Ireland (MET)
• Ireland (TSI)
• Serbia (MSR)
• Netherlands (VDF)
• United Kingdom (VOD)
• Ireland (VDI)
• Czechia (VDC)
• Germany (VD2)
• Switzerland (SWC)
• Greece (VGR)
• Spain (ATL)
• Portugal (TCL)
• Netherlands (TNL)
• Czechia (TMZ)
• Poland (PLS)
• Sweden (HTS)
• Greece (COS)
• Macedonia (MBM)
• Croatia (CRO)
• Slovakia (TMS)
• France (FTM)
• Germany (DTM)
• Austria (MAX)
• Ireland (3IE)
• Slovenia (SIM)
• Poland (TPL)
• Romania (COA)
• Hungary (TMH)

No news yet on the Canadian (G99*W), China/Taiwan (G99*0), Korean (G99*N) or U.S. (G99*U/U1) models.