Sigma new version - GSM-Forum

chenhleang · 09-15-2021, 15:59

Does sigma new version solve remove Huawei id jef-nx9 without chip damage problem and lock screen problem ?

Gsmserver · 09-15-2021, 17:12

It all depends on the security version in the phone. In case of the latest security version, it will be necessary to downgrade the firmware version.

chenhleang · 09-16-2021, 03:50

it hard to find downgrade firmware for JEF-NX9 C636 region

09-15-2021, 15:59	#1 (permalink)
chenhleang Freak Poster Join Date: Jan 2016 Location: Cambodia Posts: 463 Member: 2514217 Status: Offline Thanks Meter: 113	Sigma new version Does sigma new version solve remove Huawei id jef-nx9 without chip damage problem and lock screen problem ?

09-15-2021, 17:12	#2 (permalink)
Gsmserver Product Supporter Join Date: Feb 2003 Location: gsmserver Posts: 9,136 Member: 21077 Status: Offline Thanks Meter: 116,329	It all depends on the security version in the phone. In case of the latest security version, it will be necessary to downgrade the firmware version.

09-16-2021, 03:50	#3 (permalink)
chenhleang Freak Poster Join Date: Jan 2016 Location: Cambodia Posts: 463 Member: 2514217 Status: Offline Thanks Meter: 113	it hard to find downgrade firmware for JEF-NX9 C636 region