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fikky92 · 23-09-2020, 07:05 AM

Hello
current build number of my phone is
X680B-H6215EFIJ-Q-OP-200730V166
and build number before ota update is
X680B-H6215EFIJ-Q-OP-200629V139

I want to downgrade to version before ota, v139, but SWD tool gives sw version mismatch error. so, no downgrade possibility?
thanks

**X3non** · 23-09-2020, 10:19 AM

(23-09-2020, 07:05 AM)fikky92 Wrote: Hello
current build number of my phone is
X680B-H6215EFIJ-Q-OP-200730V166
and build number before ota update is
X680B-H6215EFIJ-Q-OP-200629V139

I want to downgrade to version before ota, v139, but SWD tool gives sw version mismatch error. so, no downgrade possibility?
thanks

what happens when you try flashing using SPflash tool?

fikky92 · 23-09-2020, 11:18 AM

(23-09-2020, 10:19 AM)X3non Wrote:
(23-09-2020, 07:05 AM)fikky92 Wrote: Hello
current build number of my phone is
X680B-H6215EFIJ-Q-OP-200730V166
and build number before ota update is
X680B-H6215EFIJ-Q-OP-200629V139

I want to downgrade to version before ota, v139, but SWD tool gives sw version mismatch error. so, no downgrade possibility?
thanks

what happens when you try flashing using SPflash tool?

mismatch at vbmeta_system and vendor again
I try firmware upgrade to downgrade using SWD after reading several posts coz i think it safer than format all, now the phone back to red state again.
i dont have cm2 dongle or else, I ought to stop trying flash this infinix again in the future

fikky92 · 23-09-2020, 12:08 PM

Ok, I've successfully downgraded after UBL. thanks for your help

maxpayne · 24-09-2020, 07:41 AM

(23-09-2020, 12:08 PM)fikky92 Wrote: Ok, I've successfully downgraded after UBL. thanks for your help

UBL meaning Unlocked Bootloader?

fikky92 · 24-09-2020, 01:08 PM

(24-09-2020, 07:41 AM)maxpayne Wrote:
(23-09-2020, 12:08 PM)fikky92 Wrote: Ok, I've successfully downgraded after UBL. thanks for your help

UBL meaning Unlocked Bootloader?

yes

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