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[Q] Galaxy Tab 3 8.0 Downgrade

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By Jrobles026, Junior Member on 4th July 2014, 08:49 PM
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By mistake I upgrade my samsung galaxy tab 3 to kitkat 4.4.2, I was wondering if its possible to downgrade back down to JB 4.2.2 and if so can someone post a link?
15th July 2014, 02:07 PM |#2  
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Same mistake
Quote:
Originally Posted by Jrobles026

By mistake I upgrade my samsung galaxy tab 3 to kitkat 4.4.2, I was wondering if its possible to downgrade back down to JB 4.2.2 and if so can someone post a link?

Any help on this please

If I go to Settings/Backup and Restore and do a Factory data reset Will this take the device back to JB 4.4.2

Thanks.
15th July 2014, 04:46 PM |#3  
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Quote:
Originally Posted by epson001

Any help on this please

Well, here is a 4.2.2 ROM: [ROM] GalaTab3 MH2 JB4.2.2 DeOdexed Rooted BusyBox
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15th July 2014, 06:05 PM |#4  
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Quote:
Originally Posted by Tromatic

Well, here is a 4.2.2 ROM: [ROM] GalaTab3 MH2 JB4.2.2 DeOdexed Rooted BusyBox

Thanks for the reply and link Tromatic. I have downloaded the Rom but was wondering if a factory reset would work as I have never flashed my device?

Cheers
15th July 2014, 08:49 PM |#5  
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Factory reset will not work. You will stay in kk4.4.2. And there is some situation with the boot loaders that are locked on kitkat.... not sure if you can roll back to jb.

Sent from my SM-T310 using Tapatalk
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16th July 2014, 11:20 AM |#6  
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Quote:
Originally Posted by Lakland

Factory reset will not work. You will stay in kk4.4.2. And there is some situation with the boot loaders that are locked on kitkat.... not sure if you can roll back to jb.

Sent from my SM-T310 using Tapatalk

Thanks for the info Lakland. I'm not confident about flashing my device myself anyone round Leeds/Bradford who could help me with this

Thanks again
28th July 2014, 07:14 PM |#7  
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Please help me!! :(
Hi guys. When I try back to Jelly Bean 4.2.2 odin is failing. I use XEF 4.4.2 for France kitkat. I want to go back JB. I want official rom.
Sorry for my bad English. Please help me.
Thanks. My device = SM-T310
28th July 2014, 11:13 PM |#8  
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Quote:
Originally Posted by emreturan_

Hi guys. When I try back to Jelly Bean 4.2.2 odin is failing. I use XEF 4.4.2 for France kitkat. I want to go back JB. I want official rom.
Sorry for my bad English. Please help me.
Thanks. My device = SM-T310

If I understand you correctly, your Galaxy Tab 8.0 is currently on 4.4.2 - either NE9 or NG1. You tried to use ODIN and flash the MK1 (4.2.2), but it failed.

Firstly, I haven't downgraded modem or the whole firmware myself on my Galaxy Tab 3, but I did it for my Galaxy S4 phone. It requires that you flash it twice. Here is what I would do.

1. Go back to SamMobile, and download the Kitkat firmware that you currently have (NE9 or NG1). Use ODIN to flash it and make sure that ODIN is working. This serves as your safety net; i.e., whenever things go wrong, you know you can at least bring your tablet back to a working state.

2. Now try to downgrade just the modem (not the entire firmware).
Read Post #19 on this page. This is what you need to do for "flashing the modem twice with ODIN".
http://forum.xda-developers.com/gala...t2815999/page2

To get your own modem.bin file, you need to extract it from the md5 file:
- find the MK1 md5 file you downloaded from SamMobile earlier,
- unzip it, and you will see the modem.bin file

3. Finally, use ODIN to flash the entire firmware (MK1 md5).

Proceed at your own risk.
Good luck.
30th July 2014, 12:45 AM |#9  
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Failed Againnnn :(
I'm tried. But I failed again. Sorry I'm Turkish. I'm not understand you. Do you know turkish?
If you know turkish, please reply this message. Help me.
Sorry for my bad English
Thanks, I'm Emre
30th July 2014, 06:57 PM |#10  
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Try this:
GalaxyTab3 Toolkit v1.1

Get the TWRP recovery installed on your GTab, then flash the GalaTab ROM. It's not hard, it just seems like it from some of the failures and horror stories.

I'm no expert, but I'll try to describe what to do. NOTE: There may be other ways to do it, but this is what I did.

Do you have a recovery (TWRP or CWM) on your tab? If not, that's the first thing you need to do. You are going to need to install Kies, Odin and then the Toolkit.
Note: TWRP works with the GalaTab ROM, and it's fairly simple to use. Install TWRP so we are all on the same page.

Lots of stuff, but the goal is to get a recovery on your Tab. Once all this is installed, start the Toolkit and connect your Tab to the PC. The Toolkit has great instructions, so follow those.

Once you have done all of that and you have a working recovery, get the GalaTab ROM onto your Tab and flash away.

Get a recovery onto your Tab first, and the rest is easy. Try just getting a recovery working and post your results and we'll go from there.


Note: This is for the SM-T310 only!
31st July 2014, 12:17 AM |#11  
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:(
I'm flash galaxy tab 3 4.2.2 with Philz Touch. But turkish language is not available. My device was out of warranty. Because I'm flash france rom. Please help me. Please speak turkish.
Lütfen türkçe konuş. Anlaşmamız lazım.
Sorry, Özür dilerim.
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