how to use downloaded firmware from firmware Finder

Question

I have jsnL21 C432 4/64 version



I upgraded my phone by 3 button method from 8.2 to 9.0.1.158. Using Firmware Finder, I found a newer version of my firmware in 9.0.1.162 which has a lot of improvement and battery optimization. I want to flash it on my device. I downloaded the firmware but it has 2 files:




  1. Update.zip 2.24GB

  2. Update_full_jsn_l21_hw_eu.zip 643MB



I know I should extract update.app into dload folder but the problem is I have 2 zips and inside of each files has a separated Update.app. How to upgrade with these files?



Firmware Finder


— Amin | Sources

Answer

You must use both files to update your device.
First use Update.zip which is the full firmware image, then Update_full_jsn_l21_hw_eu.zip which is the data file.


— Reddy Lutonadio | Sources

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