Hello guys. I need your advice.
So I wanted to downgrade from 5.1 Lollipop (official ROM) to 4.4.4 Official ROM, because the official 5.1 is just terrible (constant lags and issues) while the 4.4.4 was pretty good.
I found a tutorial online, followed it to the word and flashed the official 4.4.4 back to my phone. After that I noticed that I don't have IMEI or SN/PN. I have managed to restore IMEI but my SN/PN is still null.
Is there any way I can restore it? My friend has another P70 with 5.1, so not sure if I can use that phone somehow to restore my own NVRAM.
Thanks in advance for all of your help and advice.
So I wanted to downgrade from 5.1 Lollipop (official ROM) to 4.4.4 Official ROM, because the official 5.1 is just terrible (constant lags and issues) while the 4.4.4 was pretty good.
I found a tutorial online, followed it to the word and flashed the official 4.4.4 back to my phone. After that I noticed that I don't have IMEI or SN/PN. I have managed to restore IMEI but my SN/PN is still null.
Is there any way I can restore it? My friend has another P70 with 5.1, so not sure if I can use that phone somehow to restore my own NVRAM.
Thanks in advance for all of your help and advice.
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