All Firmwares Updates to Galaxy S20 Ultra
| Device name | Model | PDA Version | Region | OS | OS Version | Build Date | Changelist | Download |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | CGU | 10 |  | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | TGP | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | PSP | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | CRC | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988U | G988USQU1ATD6 | SPR | 10 | | Mon, 13 Apr 2020 07:11:16 +0000 | 18423614 |
| Galaxy S20 Ultra | SM-G988U1 | G988U1UEU1ATCT | PCT | 10 | | Fri, 27 Mar 2020 10:10:05 +0000 | 18334340 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | CTI | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | UFN | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | PSN | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | ARO | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCT | DOR | 10 | | Fri, 27 Mar 2020 11:54:04 +0000 | 18335124 |
| Galaxy S20 Ultra | SM-G988B | G988BXXU1ATCH | ICE | 10 | | Thu, 12 Mar 2020 10:31:45 +0000 | 18186339 |