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02-10-2025, 05:47
| #76 (permalink) |
| No Life Poster  Join Date: Dec 2006 Location: yes
Posts: 814
Member: 420658 Status: Offline Thanks Meter: 249 | I was able to refresh my tiny skills with SM-G965F Code: Exynos 9810 For bit UH aka 17... My successfully config looked like this: Code: ; BL1 DNW_STORE exynos down 5 20 bl1.bin ; EPBL DNW_STORE exynos down 5 20 epbl.bin ; BL2 DNW_STORE exynos down 5 20 bl2.bin ; DRAM TRAINING DNW_STORE exynos down 200 20 dram_train.bin ; S-BOOT DNW_STORE exynos down 5 20 s-boot.bin ; Dram EL3 DNW_STORE exynos down 5 20 dram_el3mon.bin I have tiny problemSSS with: Galaxy Watches 4 like SM-R880 Exynos 5515 SM-G980F Exynos 9830 Maybe somebody could help. Thanx in advance. Best Regards |
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02-10-2025, 20:47
| #77 (permalink) | ||
| Freak Poster  Join Date: Oct 2017 Location: Danmark
Posts: 137
Member: 2763847 Status: Offline Thanks Meter: 64 | Quote:
 I am currently busy but of course a little interest always comes even in busy times.. I found G991B (S21 5G Exynos) Boot repair files: Here.. someone must have used them in the past. Maybe its useful for G980F (S20 Exynos), I have not looked through them, but a thought.. The download is here: https://androidfilehost.com/?fid=10620683726822082671 The watch might be similar. From this file: Quote:
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02-10-2025, 23:34
| #78 (permalink) |
| Freak Poster Join Date: Oct 2017 Location: Danmark
Posts: 137
Member: 2763847 Status: Offline Thanks Meter: 64 | Another thing.. Sometimes before S-BOOT its important to have a "buffer" on some devices now.. You can just use BL1 again So BL1>EPBL>BL2>BL1>S-BOOT (just an example, not any device) So just put BL1 again before S-BOOT, if you have it get stuck/fail after sending a few parts  (I think empty file can work too, just some info, for you or for anyone reading) |
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02-11-2025, 01:18
| #79 (permalink) |
| No Life Poster Join Date: Dec 2006 Location: yes
Posts: 814
Member: 420658 Status: Offline Thanks Meter: 249 | @AUGUSTIN45  Thank you very much for your files and hints again. We have now progress with SM-G980F... I have not fully realized the new header of "s-boot.bin"... So Offsets from today attempt... SM-G980F bl1.bin offset: 0x0 -------> 0x2FFF epbl.bin offset: 0x3000 ----> 0x15FFF bl2.bin offset: 0x16000 ---> 0x81FFF s-boot.bin offset: 0xDB000 ---> 0x35AFFF dram_el3mon.bin offset: 0x35B000 -> 0x39AFFF IMHO similar mistake with Watch split... like my SM-R875F... Maybe if I am drunken enough... I will test my own SM-R875F... this year... As I nowhere saw success... But Watch users not able to write 1 Byte... IMHO not all my offsets wrong... So little bit risky with trying alive device to kill for "science" & fun... Meanwhile I will do some stupid tests with SM-G965F again.... As this looks really interesting with *.lz4 files in config... Best Regards |
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02-12-2025, 14:03
| #80 (permalink) |
| No Life Poster Join Date: Dec 2006 Location: yes
Posts: 814
Member: 420658 Status: Offline Thanks Meter: 249 | @AUGUSTIN45 Thank you very much. SM-G980F now confirmed alive. With help of your files. Watches take longer... Special situation as UART or not UART... Maybe tiny Game with Resistor and/Prolific... Need more time... But files looking good so far... If somebody play with Watch like: SM-R870 SM-R880 SM-R890 Or SM-R875F or U or N Still unsolved to revive sboot... Because 0 byte write... Any help is welcome. Thanx in advance. Best Regards |
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02-12-2025, 19:46
| #81 (permalink) |
| Freak Poster Join Date: Oct 2017 Location: Danmark
Posts: 137
Member: 2763847 Status: Offline Thanks Meter: 64 | @adfree Thanx for reporting back about SM-G980F.. About the watches.. I will try to look at one of them.. including their files, i'll check their sboot out tomorrow and try to think about why we can't write  One thing, do you have the device vendor ID/device ID of one of these watch in exynos mode by some chances? |
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