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ZTE A2017G1.3.0B04 back to Nougat.. (How)

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By Haroundb, Member on 22nd May 2019, 09:50 PM
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As the title says, I want to revert back to Nougat is it possible, and how?

Thanks for any help.
My phone is : ZTE A2017G1.3.0B04
 
 
23rd May 2019, 01:11 AM |#2  
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At least someone say ... "Hello"
23rd May 2019, 04:34 AM |#3  
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Hello

Probably need to EDL flash the last released rollback file then do some formats from recovery before going back further but I'm no authority on this. Let someone experienced with modding A7 post with certainty.
29th May 2019, 03:13 AM |#4  
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https://forum.xda-developers.com/axo...store-t3750759
13th June 2019, 10:22 PM |#5  
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No need for edl tool. Get Firmware rollback from ZTE Axon 7 support site https://www.ztedevices.com/en/suppor...4A3D2BFCF6AC7E There you can get a firmware Android 8.0 retreat to Android 7.1 that let you downgrade back to Nougat, it's about 2.78 Gb or thereabouts.
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