Samsung Galaxy A31 (SM-A315G) is a samsung device (codename: sm-a315g). FirmwareMirror hosts 120 verified firmware builds, covering: ARO, ALE, XID, XSA, ZTO. Available as official firmware. Last updated: February 2024. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy A31 (SM-A315G) (sm-a315g). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
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| A315GDXS5DWK3/A315GOWE5DWK3/A315GDXS5DWK3 | Odin | 875.85 MB | 2023-11-01 |
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| A315GDXS5DWK2/A315GOWO5DWK2/A315GDXS5DWK2 | Odin | 1012.69 MB | 2023-11-01 |
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| A315GDXS5DXB1/A315GOLE5DXB1/A315GDXS5DXB1 | Odin | 2.93 GB | 2024-02-01 |
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| A315GDXS5DXB1/A315GOLM5DXB1/A315GDXS5DXB1 | Odin | 309.04 MB | 2024-02-01 |
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| A315GXXS5DXB1/A315GOEM5DXB1/A315GXXS5DXB1 | Odin | 316 MB | 2024-02-01 |
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| A315GXXS5DXB1/A315GOGC5DXB1/A315GXXS5DXB1 | Odin | 875.93 MB | 2024-02-01 |
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| A315GDXS5DXA1/A315GOWO5DXA1/A315GDXS5DXA1 | Odin | 1.05 GB | 2024-01-01 |
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| A315GDXS5DWK1/A315GOWE5DWK1/A315GDXS5DWK1 | Odin | 2.1 GB | 2023-11-01 |
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| A315GDXS4DWJ2/A315GOWO4DWJ2/A315GDXS4DWJ2 | Odin | 196.29 MB | 2023-10-01 |
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| A315GZHS4DXB1/A315GOZS4DXB1/A315GZHS4DXB1 | Odin | 1010.46 MB | 2024-02-01 |
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| A315GDXS4DWJ1/A315GOWE4DWJ1/A315GDXS4DWJ1 | Odin | 231.76 MB | 2023-10-01 |
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| A315GDXS3DWH1/A315GOLE3DWH1/A315GDXS3DWH1 | Odin | 259.75 MB | 2023-08-01 |
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| A315GDXS3DWH1/A315GOLM3DWH1/A315GDXS3DWH1 | Odin | 281.49 MB | 2023-08-01 |
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| A315GXXS3DWH1/A315GOEM3DWH1/A315GXXS3DWH1 | Odin | 273.82 MB | 2023-08-01 |
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| A315GXXS3DWH1/A315GOGC3DWH1/A315GXXS3DWH1 | Odin | 260.23 MB | 2023-08-01 |
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| A315GZHS3DWH1/A315GOZS3DWH1/A315GZHS3DWH1 | Odin | 255.77 MB | 2023-08-01 |
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| A315GDXS3DWG1/A315GOWO3DWG1/A315GDXS3DWG1 | Odin | 245.2 MB | 2023-07-01 |
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| A315GDXU2DWB3/A315GOLE2DWB3/A315GDXU2DWB3 | Odin | 309.7 MB | 2023-02-01 |
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| A315GDXU2DWB3/A315GOLM2DWB3/A315GDXU2DWB3 | Odin | 326.25 MB | 2023-02-01 |
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| A315GZHU2DWB3/A315GOZS2DWB3/A315GZHU2DWB3 | Odin | 309.04 MB | 2023-02-01 |
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| A315GDXU2DWC2/A315GOWO2DWC4/A315GDXU2DWB3 | Odin | 295.69 MB | 2023-03-01 |
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| A315GDXS2DWA2/A315GOLE2DWA2/A315GDXS2DWA3 | Odin | 844.81 MB | 2023-01-01 |
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| A315GDXS2DWA2/A315GOLM2DWA2/A315GDXS2DWA3 | Odin | 861.99 MB | 2023-01-01 |
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| A315GDXS2DWD2/A315GOWE2DWD2/A315GDXS2DWD2 | Odin | 338.78 MB | 2023-04-01 |
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| A315GXXS2DWA2/A315GOEM2DWA2/A315GXXS2DWA2 | Odin | 856.4 MB | 2023-01-01 |
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| A315GXXS2DWA2/A315GOGC2DWA2/A315GXXS2DWA2 | Odin | 853.69 MB | 2023-01-01 |
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| A315GZHS2DWA2/A315GOZS2DWA2/A315GZHS2DWA2 | Odin | 847.54 MB | 2023-01-01 |
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| A315GXXU2DWC1/A315GOEM2DWC2/A315GXXU2DWC1 | Odin | 326.74 MB | 2023-03-01 |
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| A315GDXS2DWD1/A315GOWE2DWD1/A315GDXS2DWD1 | Odin | 331.77 MB | 2023-04-01 |
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| A315GXXU2DWC1/A315GOGC2DWC1/A315GXXU2DWC1 | Odin | 310.12 MB | 2023-03-01 |
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| A315GDXS2DWA1/A315GOWE2DWA1/A315GDXS2DWA1 | Odin | 357.1 MB | 2023-01-01 |
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| A315GDXS2DWA1/A315GOWO2DWA1/A315GDXS2DWA1 | Odin | 865.92 MB | 2023-01-01 |
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| A315GDXU1AUC9/A315GOWE1AUC9/A315GDXU1AUC9 | Odin | 2.56 GB | 2021-03-01 |
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| A315GDXU1DVG8/A315GOLE1DVG8/A315GDXU1DVG8 | Odin | 848.87 MB | 2022-07-01 |
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| A315GDXU1DVG8/A315GOLM1DVG8/A315GDXU1DVG8 | Odin | 866.06 MB | 2022-07-01 |
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| A315GXXU1DVG8/A315GOEM1DVG8/A315GXXU1DVG8 | Odin | 875.85 MB | 2022-07-01 |
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| A315GXXU1DVG8/A315GOGC1DVG8/A315GXXU1DVG8 | Odin | 859.09 MB | 2022-07-01 |
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| A315GDXU1DVD8/A315GOWE1DVF3/A315GDXU1DVD8 | Odin | 423.97 MB | 2022-04-01 |
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| A315GDXU1DVD8/A315GOWE1DVE1/A315GDXU1DVD8 | Odin | 405.8 MB | 2022-04-01 |
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| A315GXXU1DVD8/A315GOEM1DVE1/A315GXXU1DVD8 | Odin | 904.84 MB | 2022-04-01 |
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| A315GXXU1DVD8/A315GOGC1DVE1/A315GXXU1DVD8 | Odin | 889.49 MB | 2022-04-01 |
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| A315GDXU1CUK6/A315GOLE1CUK6/A315GDXU1CUK6 | Odin | 373.76 MB | 2021-11-01 |
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| A315GDXU1CUK6/A315GOLM1CUK6/A315GDXU1CUK6 | Odin | 386.26 MB | 2021-11-01 |
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| A315GZHU1CUK6/A315GOZS1CUK6/A315GZHU1CUK6 | Odin | 403.22 MB | 2021-11-01 |
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| A315GDXU1CVA5/A315GOWO1CVA5/A315GDXU1CVA5 | Odin | 168.72 MB | 2022-01-01 |
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| A315GDXS1CUJ5/A315GOWE1CUJ4/A315GDXU1CUG3 | Odin | 224.66 MB | 2021-10-01 |
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| A315GDXU1CUG5/A315GOWE1CUG2/A315GDXU1CUG3 | Odin | 274.04 MB | 2021-07-01 |
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| A315GXXU1CUD4/A315GOEM1CUD5/A315GXXU1CUD4 | Odin | 1.11 GB | 2021-04-01 |
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| A315GDXU1CUD4/A315GOLE1CUD4/A315GDXU1CUD4 | Odin | 1.05 GB | 2021-04-01 |
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| A315GDXU1CUD4/A315GOWO1CUD4/A315GDXU1CUD4 | Odin | 441.2 MB | 2021-04-01 |
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| A315GXXU1CUD4/A315GOGC1CUD4/A315GXXU1CUD4 | Odin | 1.06 GB | 2021-04-01 |
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| A315GZHU1CUD4/A315GOZS1CUD4/A315GZHU1CUD4 | Odin | 1.04 GB | 2021-04-01 |
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| A315GDXS1CUL4/A315GOWO1CUG4/A315GDXU1CUG3 | Odin | 220.83 MB | 2021-12-01 |
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| A315GDXS1CUJ4/A315GOWO1CUG4/A315GDXU1CUG3 | Odin | 223.54 MB | 2021-10-01 |
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| A315GDXS1CVC3/A315GOWO1CVA5/A315GDXS1CVC7 | Odin | 2.15 GB | 2022-03-01 |
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| A315GZHS1CUK3/A315GOZS1CUK3/A315GZHS1CUK3 | Odin | 550.12 MB | 2021-11-01 |
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| A315GXXU1CUH3/A315GOEM1CUH3/A315GXXU1CUH3 | Odin | 832.18 MB | 2021-08-01 |
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| A315GXXU1CUH3/A315GOGC1CUH3/A315GXXU1CUH3 | Odin | 778.38 MB | 2021-08-01 |
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| A315GDXU1ATH3/A315GOWE1ATH3/A315GDXU1ATH3 | Odin | 198.37 MB | N/A |
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| A315GDXU1CUG3/A315GOLE1CUG3/A315GDXU1CUF1 | Odin | 1010.46 MB | 2021-07-01 |
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| A315GDXU1CUG3/A315GOLM1CUG3/A315GDXU1CUF1 | Odin | 1 GB | 2021-07-01 |
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| A315GDXU1DVE2/A315GOLE1DVD8/A315GDXU1DVD8 | Odin | 879.5 MB | 2022-05-01 |
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| A315GDXU1DVE2/A315GOLM1DVD8/A315GDXU1DVD8 | Odin | 899.55 MB | 2022-05-01 |
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| A315GDXS1CVC2/A315GOWO1CUG4/A315GDXS1CVC6 | Odin | 2.26 GB | 2022-03-01 |
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| A315GDXS1CVA2/A315GOWO1CUG4/A315GDXS1CVA2 | Odin | 197.28 MB | 2022-01-01 |
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| A315GXXU1CVA2/A315GOGC1CVA4/A315GXXU1CVA2 | Odin | 140.47 MB | 2022-01-01 |
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| A315GDXU1DVF2/A315GOWE1DVF4/A315GDXU1DVF1 | Odin | 389.89 MB | 2022-06-01 |
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| A315GDXS1ATI2/A315GOWO1ATH3/A315GDXU1ATH3 | Odin | 193.68 MB | N/A |
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| A315GDXS1CVB2/A315GOWE1CVB2/A315GDXU1CUG3 | Odin | 2.22 GB | 2022-02-01 |
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| A315GXXU1CUF2/A315GOEM1CUF2/A315GXXU1CUF3 | Odin | 1.06 GB | 2021-06-01 |
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| A315GZHU1DVE2/A315GOZS1DVE2/A315GZHU1DVE2 | Odin | 880.15 MB | 2022-05-01 |
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| A315GDXS1CVD2/A315GOLE1CVA2/A315GDXU1CVA2 | Odin | 2.1 GB | 2022-04-01 |
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| A315GDXS1CVD2/A315GOLM1CVA2/A315GDXU1CVA2 | Odin | 2.1 GB | 2022-04-01 |
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| A315GZHS1CVD2/A315GOZS1CVD2/A315GZHS1CVD2 | Odin | 2.12 GB | 2022-04-01 |
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| A315GDXU1CVA2/A315GOLE1CVA2/A315GDXU1CVA2 | Odin | 158.21 MB | 2022-01-01 |
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| A315GDXU1CVA2/A315GOLM1CVA2/A315GDXU1CVA2 | Odin | 158.21 MB | 2022-01-01 |
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| A315GXXU1CVA2/A315GOEM1CVA2/A315GXXU1CVA2 | Odin | 140.47 MB | 2022-01-01 |
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| A315GZHU1CVA2/A315GOZS1CVA2/A315GZHU1CVA2 | Odin | 181.3 MB | 2022-01-01 |
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| A315GXXU1CUK2/A315GOEM1CUK2/A315GXXU1CUK2 | Odin | 405.43 MB | 2021-11-01 |
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| A315GXXU1CUK2/A315GOGC1CUK2/A315GXXU1CUK2 | Odin | 372.97 MB | 2021-11-01 |
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| A315GZHU1CUH2/A315GOZS1CUH2/A315GZHU1CUH2 | Odin | 1003.99 MB | 2021-08-01 |
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| A315GXXU1CUF2/A315GOGC1CUF2/A315GXXU1CUF2 | Odin | 1.01 GB | 2021-06-01 |
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| A315GZHU1CUF2/A315GOZS1CUF2/A315GZHU1CUF2 | Odin | 1010.94 MB | 2021-06-01 |
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| A315GXXU1BUB2/A315GOEM1BUB2/A315GXXU1BUB2 | Odin | 1.96 GB | 2021-02-01 |
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| A315GXXU1BUB2/A315GOGC1BUB2/A315GXXU1BUB2 | Odin | 1.93 GB | 2021-02-01 |
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| A315GDXU1ATH2/A315GOWE1ATH2/A315GDXU1ATH2 | Odin | 196.07 MB | N/A |
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| A315GDXU1DVJ2/A315GOWE1DVJ2/A315GDXU1DVH1 | Odin | 353.4 MB | 2022-10-01 |
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| A315GDXU1DVF2/A315GOWE1DVF2/A315GDXU1DVF1 | Odin | 383.03 MB | 2022-06-01 |
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| A315GDXU1CUF2/A315GOLE1CUF2/A315GDXU1CUF1 | Odin | 1012.69 MB | 2021-06-01 |
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| A315GDXU1CUF2/A315GOLM1CUF2/A315GDXU1CUF1 | Odin | 1 GB | 2021-06-01 |
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| A315GDXS1ATL2/A315GOWE1ATI1/A315GDXS1ATI3 | Odin | 184.87 MB | N/A |
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| A315GDXS1CUK2/A315GOLM1CUI1/A315GDXU1CUI1 | Odin | 774.48 MB | 2021-11-01 |
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| A315GDXU1CUI2/A315GOLM1CUI1/A315GDXU1CUI1 | Odin | 775.58 MB | 2021-09-01 |
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| A315GXXS1CVC1/A315GOGC1CVA4/A315GXXU1CVA2 | Odin | 2.1 GB | 2022-03-01 |
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| A315GXXS1CUG1/A315GOEM1CUF2/A315GXXU1CUF3 | Odin | 1.05 GB | 2021-07-01 |
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| A315GDXS1AUB1/A315GOWO1ATI2/A315GDXS1ATI3 | Odin | 271.85 MB | 2021-02-01 |
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| A315GXXS1CVC1/A315GOEM1CVA2/A315GXXU1CVA2 | Odin | 2.14 GB | 2022-03-01 |
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| A315GXXS1CUG1/A315GOGC1CUF2/A315GXXU1CUF2 | Odin | 1.01 GB | 2021-07-01 |
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| A315GDXS1CUG1/A315GOLE1CUF2/A315GDXU1CUF1 | Odin | 1012.8 MB | 2021-07-01 |
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| A315GDXS1CUG1/A315GOLM1CUF2/A315GDXU1CUF1 | Odin | 1 GB | 2021-07-01 |
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| A315GDXU1DVE1/A315GOWO1DVE1/A315GDXU1DVD8 | Odin | 889.36 MB | 2022-05-01 |
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| A315GDXS1AUC1/A315GOWE1ATI1/A315GDXS1ATI3 | Odin | 143.52 MB | 2021-03-01 |
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| A315GDXS1ATJ1/A315GOWE1ATI1/A315GDXS1ATI3 | Odin | 189.63 MB | N/A |
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| A315GDXU1DVH1/A315GOWE1DVH1/A315GDXU1DVH1 | Odin | 368.92 MB | 2022-08-01 |
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| A315GDXU1DVH1/A315GOWO1DVH1/A315GDXU1DVH1 | Odin | 871.79 MB | 2022-08-01 |
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| A315GZHU1DVH1/A315GOZS1DVH1/A315GZHU1DVH1 | Odin | 849.27 MB | 2022-08-01 |
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| A315GDXU1DVF1/A315GOLE1DVF1/A315GDXU1DVF1 | Odin | 855.75 MB | 2022-06-01 |
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| A315GDXU1DVF1/A315GOLM1DVF1/A315GDXU1DVF1 | Odin | 876.59 MB | 2022-06-01 |
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| A315GXXU1DVF1/A315GOEM1DVF1/A315GXXU1DVF1 | Odin | 875.93 MB | 2022-06-01 |
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| A315GXXU1DVF1/A315GOGC1DVF1/A315GXXU1DVF1 | Odin | 865.76 MB | 2022-06-01 |
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| A315GZHU1DVF1/A315GOZS1DVF1/A315GZHU1DVF1 | Odin | 856.32 MB | 2022-06-01 |
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| A315GDXS1CUK1/A315GOLE1CUI1/A315GDXU1CUI1 | Odin | 763.3 MB | 2021-11-01 |
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| A315GZHU1CUJ1/A315GOZS1CUJ1/A315GZHU1CUI1 | Odin | 548.54 MB | 2021-10-01 |
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| A315GDXU1CUI1/A315GOLE1CUI1/A315GDXU1CUI1 | Odin | 764.68 MB | 2021-09-01 |
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| A315GDXU1CUG1/A315GOWE1CUG1/A315GDXU1CUF1 | Odin | 305.3 MB | 2021-07-01 |
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| A315GZHU1BUB1/A315GOZS1BUB1/A315GZHU1BUB1 | Odin | 1.92 GB | 2021-02-01 |
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| A315GDXU1BUA1/A315GOLE1BUB1/A315GDXU1BUA1 | Odin | 1.95 GB | 2021-01-01 |
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| A315GDXU1BUA1/A315GOLM1BUB1/A315GDXU1BUA1 | Odin | 1.95 GB | 2021-01-01 |
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| A315GDXU1ATEB/A315GOWE1ATF1/A315GDXU1ATF1 | Odin | 313.74 MB | N/A |
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| A315GDXU1AUCA/A315GOWO1AUCB/A315GDXU1AUC9 | Odin | 2.16 GB | 2021-03-01 |
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Versions: SM-A315F/DS (International); SM-A315G/DS (Asia, Australia)
| Network | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - SM-A315F | |
| HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G | ||
| 4G bands | 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G | ||
| Speed | HSPA, LTE |
| Launch | Announced | 2020, March 24. Released 2020, April 27 |
|---|---|---|
| Status | Discontinued |
| Body | Dimensions | 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) |
|---|---|---|
| Weight | 185 g (6.53 oz) | |
| SIM | · Nano-SIM · Nano-SIM + Nano-SIM |
| Display | Type | Super AMOLED |
|---|---|---|
| Size | 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) |
| Platform | OS | Android 10, upgradable to Android 12, One UI 4.1 |
|---|---|---|
| Chipset | Mediatek MT6768 Helio P65 (12 nm) | |
| CPU | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) | |
| GPU | Mali-G52 MC2 |
| Memory | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM | |
| eMMC 5.1 |
| Main Camera | Quad | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens |
|---|---|---|
| Features | LED flash, panorama, HDR | |
| Video | 1080p@30fps |
| Selfie camera | Single | 20 MP, f/2.2, (wide) |
|---|---|---|
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes (market/region dependent) | |
| Radio | FM radio, RDS, recording | |
| USB | USB Type-C 2.0, OTG |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, compass |
|---|---|---|
| Virtual proximity sensing |
| Battery | Type | Li-Po 5000 mAh |
|---|---|---|
| Charging | 15W wired |
| Misc | Colors | Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White |
|---|---|---|
| Models | SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N | |
| SAR EU | 0.49 W/kg (head) 1.68 W/kg (body) | |
| Price | € 185.20 / £ 139.00 |
| Our Tests | Performance | AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 635 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -30.9 LUFS (Below average) | |
| Battery (old) | Endurance rating 124h | |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: Samsung Galaxy A31 (SM-A315G) firmware is flashed using Odin. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
