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08-08-2017, 00:49
| #1 (permalink) |
| Freak Poster  Join Date: Aug 2006 Location: Buenos Aires, Argentina
Posts: 431
Member: 331917 Status: Offline Thanks Meter: 214  | Can boot be downgraded via emmc? what happens with "sticky" bootloaders?? did you see moto? if you flash with latest version, then, you can not flash again lower boot version... it will allow to flash the other files, but boot is not possible... ok, what happens if you write lower boot via emmc?? would it work? maybe qualcomm fuses are burned during the update, but not 100% sure if this is true, then, no matter if you backup the whole emmc, it will never be downgraded...... :/ thanks |
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| The Following User Says Thank You to Nicogalan For This Useful Post: |
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08-09-2017, 06:50
| #2 (permalink) |
| Freak Poster Join Date: Aug 2006 Location: Buenos Aires, Argentina
Posts: 431
Member: 331917 Status: Offline Thanks Meter: 214 | Hello, support??  are you there? if my question is too technical, you can say "I dont know" nahh, just kidding... no ideas about this big doubt? I am asking this question, because, I will receive a board, with old android version and boot version... so, if I make a complete emmc backup, will it work after boot is updated? thanks |
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08-09-2017, 06:52
| #3 (permalink) |
| No Life Poster  Join Date: Oct 2007 Location: Colombia
Posts: 1,812
Member: 614683 Status: Offline Sonork: 100.1605379 Thanks Meter: 370 | have same problem in lg phone and huawei maybe change security in new boot or wait support |
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08-15-2017, 07:07
| #6 (permalink) |
| Freak Poster Join Date: Aug 2006 Location: Buenos Aires, Argentina
Posts: 431
Member: 331917 Status: Offline Thanks Meter: 214 | Hello support?? no ideas about this?? its not bad to say "I dont know" I prefer you tell me, you dont know, but not to ignore me.... thanks |
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| The Following User Says Thank You to Nicogalan For This Useful Post: |
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08-15-2017, 20:05
| #7 (permalink) |
| Product Manager   Join Date: Oct 2000 Location: future
Posts: 22,431
Member: 2368 Status: Offline Sonork: 100.111111 Thanks Meter: 186,557 | you can flash all what you want in to emmc. but phone will not boot up. in qualcomm mcu exist fuse which can not be changed do low version. mean if once more high version boot flashed to emmc and phone power on, fuse will changed to high version, and with low version of boot inside emmc phone just not boot. so do emmc boot downgrade no any reason. |
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08-16-2017, 00:28
| #9 (permalink) |
| Freak Poster Join Date: Aug 2006 Location: Buenos Aires, Argentina
Posts: 431
Member: 331917 Status: Offline Thanks Meter: 214 | Ok, maybe thats the problem with at least 1 of these 2 units.... http://forum.gsmhosting.com/vbb/f672...008-a-2251900/ maybe file on support is old boot version... http://forum.gsmhosting.com/vbb/f672...008-a-2251934/ |
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| The Following User Says Thank You to Nicogalan For This Useful Post: |
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