All Firmwares Updates to Galaxy A20
| Device name | Model | PDA Version | Region | OS | OS Version | Build Date | Changelist | Download |
| Galaxy A20 | SM-A205GN | A205GNDXSACUH1 | SMA | 11 |  | Wed, 04 Aug 2021 07:37:04 +0000 | 21848546 |
| Galaxy A20 | SM-A205GN | A205GNDXSACUH1 | BRI | 11 | | Wed, 04 Aug 2021 07:37:04 +0000 | 21848546 |
| Galaxy A20 | SM-A205GN | A205GNDXSACUH1 | XTC | 11 | | Wed, 04 Aug 2021 07:37:04 +0000 | 21848546 |
| Galaxy A20 | SM-A205GN | A205GNDXSACUH1 | GLB | 11 | | Wed, 04 Aug 2021 07:37:04 +0000 | 21848546 |
| Galaxy A20 | SM-A205U | A205USQU9CUG3 | USC | 11 | | Wed, 07 Jul 2021 07:32:45 +0000 | 21984420 |
| Galaxy A20 | SM-A205G | A205GUBU9CUF2 | ICE | 11 | | Tue, 08 Jun 2021 14:38:45 +0000 | 21848546 |
| Galaxy A20 | SM-A205F | A205FXXUACUF3 | FWD | 11 | | Tue, 08 Jun 2021 09:56:10 +0000 | 21848546 |
| Galaxy A20 | SM-A205F | A205FXXUACUF3 | MWD | 11 | | Tue, 08 Jun 2021 09:56:10 +0000 | 21848546 |
| Galaxy A20 | SM-A205W | A205WVLU8CUG4 | VMC | 11 | | Wed, 14 Jul 2021 05:30:05 +0000 | 21984420 |
| Galaxy A20 | SM-A205W | A205WVLU8CUG4 | BMC | 11 | | Wed, 14 Jul 2021 05:30:05 +0000 | 21984420 |
| Galaxy A20 | SM-A205W | A205WVLU8CUG4 | KDO | 11 | | Wed, 14 Jul 2021 05:30:05 +0000 | 21984420 |
| Galaxy A20 | SM-A205W | A205WVLU8CUG4 | GLW | 11 | | Wed, 14 Jul 2021 05:30:05 +0000 | 21984420 |