All Firmwares Updates to Galaxy A20
| Device name | Model | PDA Version | Region | OS | OS Version | Build Date | Changelist | Download |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | CHL | 10 |  | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BTL3 | CHE | 10 | | Wed, 09 Dec 2020 02:06:49 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA2 | CGU | 10 | | Tue, 05 Jan 2021 20:44:06 +0000 | 19896235 |
| Galaxy A20 | SM-A205G | A205GUBS8BTL2 | PBS | 10 | | Wed, 09 Dec 2020 02:06:50 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | TCE | 10 | | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BTL3 | PCW | 10 | | Wed, 09 Dec 2020 02:06:49 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | PCT | 10 | | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | PET | 10 | | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | CDR | 10 | | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA1 | ECO | 10 | | Fri, 08 Jan 2021 23:02:41 +0000 | 19166873 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA2 | COM | 10 | | Tue, 05 Jan 2021 20:44:06 +0000 | 19896235 |
| Galaxy A20 | SM-A205G | A205GUBS8BUA2 | CTP | 10 | | Tue, 05 Jan 2021 20:44:06 +0000 | 19896235 |