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Go Back   GSM-Forum > Product Support Sections > Hard/Software Products (official support) > GSMServer Products > SigmaKey

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Old 03-16-2020, 17:54   #1 (permalink)
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Question Downgrade 10 to 9 .. Supported ?


Stk-l21m 10.0.0 (C185) Reset Frp (Downgrade Firmware)


Flash the files in order in the boxes
Update file: STEP1-Update
Preload file (optional): STEP1-Preload
Customization file (optional): STEP1-Customization


Upgrade Mode
After flashing, do not miss the device
Re-insert the device into
Upgrade mode
من ثم قم بالذهاب الى مجلد
Then go to a folder
STEP 2


STEP 2
وقم بتفليش الملفات الموجودة بالترتيب في الخانات المحددة على الشكل التالي
Flash the files in order in the boxes
Update file: STEP2-Update
Preload file (optional): STEP2-Preload
Customization file (optional): STEP2-Customization



After the flashing process is over
Go to support and download the firmware for your device
Flash the device with it to activate a vulnerability
Safe Mode Then skip FRP


firmware link

https://drive.google.com/open?id=1nB...HmQn3_cQ2Sy0QQ


how to use this firmware with sigmakey
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Old 03-17-2020, 08:51   #2 (permalink)
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@ Aamir_Zia,

For Downgrade from Android 10, wait for future SigmaKey releases.

Best Regards
GSMServer team



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