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HELP | Downgrade from version 5.1.2.1 to version 5.1.1.

Hi, I need help. Recently bought my Amazon Fire 5 gen. I'm trying to remove the Fire OS and install the CM 11. However, by inattention, I downgraded from version 5.1.2.1 to version 5.1.1. Now my Fire is no longer booting. Is there a solution?
Thanks.

berganardo said:
Hi, I need help. Recently bought my Amazon Fire 5 gen. I'm trying to remove the Fire OS and install the CM 11. However, by inattention, I downgraded from version 5.1.2.1 to version 5.1.1. Now my Fire is no longer booting. Is there a solution?
Thanks.
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Duplicate post; answered here: http://forum.xda-developers.com/amazon-fire/help/accidentaly-updated-to-5-1-2-1-t3375388/page1

how would I root and install a room on 5.1.1?

If my fire 7 2017 was in os version 5.1.1 how would I root it and install a custom ROM? Could I use kingroot?

jakiejohnson said:
If my fire 7 2017 was in os version 5.1.1 how would I root it and install a custom ROM? Could I use kingroot?
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There is no FireOS 5.1.1 for 7th gen (2017) Fire 7 devices. If you have 5.1.1 it's likely a 5th gen. Use the SuperTool to root, block OTA and perform other useful functions prior to installing a custom ROM.

jakiejohnson said:
If my fire 7 2017 was in os version 5.1.1 how would I root it and install a custom ROM? Could I use kingroot?
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You probably mixed the versions of Android (lollipop 5.1.1) and fireOS (5.some.more.numbers). Since the first one is identical for all versions of fireOS for this device, please only use the latter one.
Yet there's no known root method for 5.3.2.1 and later.

My kindle fire 7 came with 5.0.1 thats why

jakiejohnson said:
My kindle fire 7 came with 5.0.1 thats why
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Answered (conceptually) in another thread. Almost certainly a 5th gen (2015) Fire vs 7th gen (2017) Fire 7.

Newbie questions

Hi all,
I understand that it is not possible to root Amazon Fire 8 HD 7th Gen running 5.6.2.0.
I assume that also means there is no way to install a custom more native stock android rom on these devices?
Would anyone be able to explain in simple terms what has Amazon done to these devices that makes it so hard to break so we can root and custom ROM them?
Thank you in advance

RonnieJorgensen said:
Hi all,
I understand that it is not possible to root Amazon Fire 8 HD 7th Gen running 5.6.2.0.
I assume that also means there is no way to install a custom more native stock android rom on these devices?
Would anyone be able to explain in simple terms what has Amazon done to these devices that makes it so hard to break so we can root and custom ROM them?
Thank you in advance
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Click to collapse
Good coding and testing practices. Kudos to Amazon and Google for wringing out the 'slop' in Android and its derivatives which opened the door to root (and therefore security) exploits.

Custom rom
Just want to get it confirmed. if you have Amazon Fire 8 HD aor Fire 7, both 7th gen with Amazon's latest upgrade. 5.6.2 i think it is. is there any way to get a custom ROM on? for example [ROM][AOSP][LMY49M] Fire Nexus ROM [02 JUN 2018] ?
Not quite sure i understand correctly if i need to root it before I can custom rom it
Thx

RonnieJorgensen said:
Just want to get it confirmed. if you have Amazon Fire 8 HD aor Fire 7, both 7th gen with Amazon's latest upgrade. 5.6.2 i think it is. is there any way to get a custom ROM on? for example [ROM][AOSP][LMY49M] Fire Nexus ROM [02 JUN 2018] ?
Not quite sure i understand correctly if i need to root it before I can custom rom it
Thx
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The only Amazon tablet that can be rooted at the moment is the HD 10, 2017.

Downgrade 5th Gen Fire

Hello. I own a Fire 7 (5th generation) tablet running Fire OS 5.3.6.4. I want to install Android on it, but from what I've heard, you need to be on 5.3.1. Is there a way to downgrade and install Android without ruining the tablet? Thanks!

Grader54 said:
Hello. I own a Fire 7 (5th generation) tablet running Fire OS 5.3.6.4. I want to install Android on it, but from what I've heard, you need to be on 5.3.1. Is there a way to downgrade and install Android without ruining the tablet? Thanks!
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No. Fire Os 5.3.2.1 and up there's no known root method.
If you downgrade to 5.3.1 you will brick the fire.

Rortiz2 said:
No. Fire Os 5.3.2.1 and up there's no known root method.
If you downgrade to 5.3.1 you will brick the fire.
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Oh, no. Thank you for the support.

How downgrade my Fire 7 9th tablet to Android 5.0?

I have a friend who wants to install an app that only works on android 5.0 (or lower) don't ask me why. So he bought 2 Fire 7 9th devices and asked me if I know how to downgrade to android 5.0 so he can be able to install his app. So, do you guys know a good tutorial teaching how to do it?

Diego6D said:
I have a friend who wants to install an app that only works on android 5.0 (or lower) don't ask me why. So he bought 2 Fire 7 9th devices and asked me if I know how to downgrade to android 5.0 so he can be able to install his app. So, do you guys know a good tutorial teaching how to do it?
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The stock rom is on 7.1.2 and you can't downgrade it to 5.0.0 and you may need to add the max API level to 25 which is nougat
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Use a PC emulator instead.
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