docooler R39 stock firmware - Android Q&A, Help & Troubleshooting

Hello all.
I got me a Docooler R39 box but it won't boot.
I was thinking if I could get my hands on it's firmware then there maybe would be a possibility of fixing the box.
But the thing is that I can't find the firmware.
Is there someone here there knows a way to get a firmware to the device?
Or maybe a guide on how to build one.

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remove retail firmware and replace it

Hi,
I can't seem to remove the official retail firmware and replace it with a normal firmware. I;ve checked all manuals, but there is no way of updating it. Who has experience with this and what am I doing wrong?
Just for the record, the phones are official retail phones. Got them from work to test things out.
Thx!
Jorik

How Can I Find The EXACT KitKat Version I Want?

Hello All,
I want to downgrade back to KitKat because I HATE Lollipop on my G850M, but I want to get the exact version of KitKat I had before the phone upgraded. There are a whole bunch of versions on SamMobile available. I tried a couple and they are not the same one as was originally on the phone. How can I figure out which one is the exact one? I bought the phone new on eBay in early March, when all those SM-G850M's originally flooded the US market.
Any help is appreciated. Thanks!
http://www.sammobile.com/firmwares/database/SM-G850F/
or try to use the emergency software recovery and initialization in kies, using the S/N of your phone

Downgrading firmware

I have a galaxy tab A sm-t380 and I'm trying to downgrade the firmware from 7.1.1 to 6.0. I looked online and the only firmware I could find was the latest firmware or the second to oldest firmware. Does anyone here know where I can get older firmware for this particular tablet? Any help is much appreciated.
nestor makhno said:
I have a galaxy tab A sm-t380 and I'm trying to downgrade the firmware from 7.1.1 to 6.0. I looked online and the only firmware I could find was the latest firmware or the second to oldest firmware. Does anyone here know where I can get older firmware for this particular tablet? Any help is much appreciated.
Click to expand...
Click to collapse
The tablet came out in 2017 so this tablet is too new for offcail 6.0 and this device has no custom roms so I can't help you.

MediaPad M5 SHT-W09, looking for Firmware 8.0.0.200 (C567)

my son accidentally updated his tablet. now no more root. i am trying to find 8.0.0.200 (C567) firmware to get the ramdisk img. to root.
i can not find it. i try the app firmware finder. but servers are down. ..
does anyone have the firmware by any chance. ??
or is there a way i could pull it from tablet?

Question Flashing newer firmware on an unrooted XQ-CQ54

Hi all,
I wanted to flash a newer android 13 stock firmware because my Sony from a UK operator doesn't get the OTA update.
I have the firmware from XperiFirm and made the ftf with flashtool. Just before I was about to get if flashed I was reading comment saying this tool is not good anymore, but I am not 100% sure how to use the Newflasher instead.
Could someone help me on that?
I don't really want to brick my phone and if it's not a safe way to get android 13 I might just don't do it.
Cheers.

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