A5 2016: Downgrade from Marshmallow to Lollipop - Galaxy A3, A5, A7, A8, A9 Q&A, Help & Troubleshoot

Hello
I have a A5 2016 on Marshmallow and i noticed that the autonomy is better on Lollipop and i'm actually on a russian rom (i'm in France) .
Does someone know how to downgrade ? Last time that I flashed a rom with Odin, I had a blue screen and I couldnt boot into Android (only download mode was available) (FRP mode)
I already downloaded the 5.1 rom xef with Samfirm, can someone help me ? I don't want to do a wrong manipulation, does it necessary to save the EFS partition ?
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A lot of people have a A5 2016 who run more than 2 days without charging... thanks for helping i'm a newbie

Yeah I've noticed that too u can always flash it through two if u have it I am gonna do that
Sent from my SM-A510F using Tapatalk

I've tried downgrading to Lollipop too and also got a blue screen and had to go back to 6.0.1 via SmartSwitch. If you find a way to downgrade, please let me know!

can anyone confirm if battery backup is better on lolypop?
are you sure you did a factory reset after the update?
i don't know if i should update, battery is pretty important to me

enkelad said:
can anyone confirm if battery backup is better on lolypop?
are you sure you did a factory reset after the update?
i don't know if i should update, battery is pretty important to me
Click to expand...
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I did a factory reset and everything, and WiFi still sucks...
Battery life is great on Marshmallow, I have to say.

Related

Touch key (Softkey) firmware problem

i have galaxy a3 sm-a300h and my back soft key and multitasking key not working on kitkat stock 4.4.4 pls how to fix this??
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hackgeo said:
i have galaxy a3 sm-a300h and my back soft key and multitasking key not working on kitkat stock 4.4.4 pls how to fix this??
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ummmm ,you are talking about navigation keys(back key and recent's key)
Remove the screen guard or glass screen protector
Enable haptic feedback in settings--> sounds-->other sounds, see if it vibrates when u touch OR
flash the relevant firmware for your device via ODIN and see if that fixes.
IF YOU ARE LUCKY it might work if not hardware issue ,probably.
the basic problem is this and i dont know how to fix it!! it make me crazy!!
I upgraded my A3 (SM-A300H) to lollipop. After a while I wanted to return to kitkat because lollipop freezes too much . I have downloaded the kitkat official rom for a300h and then wiped cache and data. Everything is OK but the touch back button and the task view button not worked. after that I reflashed the lollipop rom and worked again . How can I downgrade to kitkat without any errors and the touch buttons working?
hope you have downloaded correct suitable firmware ?????
lets see your CSC info? like active and available CSC?
download phone info app if you can.
looks like not a hardware related issue to me...
Problem is solved? I have same problem.
Lolipop firmware was for Kazahstan.
4.4.4 for Ukraine.
Phone for Ukraine. A300H.
Problem is not in hardware.
I have no clue.
He never came back with a feedback

Stuck on boot up!

Samsung galaxy tab 4 (8.0) SM-T337A 5.1.1 LOLLIPOP after flashing http://forum.xda-developers.com/tab-4/help/software-authorized-att-tablet-samsung-t3286582 my tablet is stuck on boot up PLEASE HELP! btw I tried factory resetting and clearing cache.
Download stock firmware and flash in odin. You cant downgrade latest, bootloader is locked
gonzo6962001 said:
Download stock firmware and flash in odin. You cant downgrade latest, bootloader is locked
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i have a OTA file, but has a status 7 error,
I'm having same problem and my *Reboot to bootloader doesn't work either... [email protected] if u ever find a fix.. it wont let me past recovery screen then it wont open bootloader like wtf..
AllenPlaysGames said:
i have a OTA file, but has a status 7 error,
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You have the OTA 5.1.1 update?!
Sent from my iPhone using Tapatalk
Did anything get figured out with this? I'm bricked too and can't do anything about it because the 5.1.1 firmware isn't out and I can't figure anything else out to fix it.
I was able to acquire the following files...
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Flashing these finally brought this hopeless nightmare to an end.
I had the Kingsroot + SuperSUME = FAIL brick condition and this saved the device (it wasn't even my device, I was fixing it for a friend). Let me know if anyone is interested.

Australian (xsa) new update???

The Australian Version of S8+ (SM-G955F- XSA) had no firmware update ( AQG5), however, I just notice on Sammobile that there is update AQG7. according to the code of the update, it's more current than AQG5. and was released 2 days before AQG5.
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at the moment there are no rooms or any updated kernels to support this. was wondering if the devs were aware of this
3 days ago i attempted to install twrp and root to an s8 950f in australia installed with that update, the AQG7. Needless to say all attempts failed, luckily it left the device unharmed. For the last 72hrs ive attempted to find a solution. Thankyou for observation. You have given me an answer. Patience, till someone better than i solves this hurdle.
toolsmultitrades said:
3 days ago i attempted to install twrp and root to an s8 950f in australia installed with that update, the AQG7. Needless to say all attempts failed, luckily it left the device unharmed. For the last 72hrs ive attempted to find a solution. Thankyou for observation. You have given me an answer. Patience, till someone better than i solves this hurdle.
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What's wrong with your phone mate?
The phone is fine. Problem is with me. Does the above quote i responded to answer that question?
Hi
Newbie here
Can someone please help link me to a ROOT version that works with Aust Delivered S8
Thank you

OREO Update?

Hi everyone,
I've a situation, i've got a used Samsung S8 from the UK, and it's working so far perfectly with my carrier (Moroccan one), and i'm trying to update it (via settings) but it always says that there's no update yet, and i'm thinking about doing it manually with Odin, but i'm worried if i install the wrong ROM or something it might lock my phone and i can't use my sim anymore, so my questions are:
1/ How can i know if my phone is already fully unlocked.
2/If i install a rom manually should i go with the UK version or the moroccan one?
3/ in case i install the wrong rom with the good (PDA / CSC) but with a different region, what're the risks?
(Here bellow Firmware / Service provider screenshots)
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Try connect your S8 to PC, and run Samsung Switch (on PC). It should say after some minutes, that there´s a newer version of firmware
Flashing stock rom with different build number and baseband version on S8
Hi,
Extreme newbie here, So I got the latest Oreo update on my S8 . since I want to go back to nougat for some development reason I decided to flash a stock nougat firmware on my device. My build number is G950FXXU1CRB7 but the version I downloaded is G950FOXM1AQK7 but the region is same . So I want to know if I flash this ROM on my s8 , will it cause any damages ? if so , what will be the possible damages that can cause ? Thanks in advance .

I got Big Big problem..「Failed tomount '/3rdmodem'(Invalid argument)」

I got Big Big problem..
Always...
「Failed tomount '/3rdmodem'(Invalid argument)」
I’m from Taiwan and my English is not very good. Use google to translate, thank you for your help
I hope you can answer for me. I have studied for more than three days. I still can’t succeed.
I am using Huawei BTV-w09.EMUI 4.0 tablet
Use twrp to flash the machine until Android 7.0 has been failed
Do you know what the problem is, thank you very much
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You need EMUI 5.x Android Nougat on your device... if you want to use my TWRP in order to flash LineageOS on your device !
EDIT:
And not all EMUI Firmware can be flashed via TWRP, only some of them !
Hi. I finally successfully flashed the machine smoothly.
However, Emui5.0 & Android 7.0 versions were not selected at the time.
I want to delete the system to recharge the phone, but now I can’t delete the system.
How do I update to 5.0? Thank you
I'm having the same problem! i get the 3rdmodem mount failed
distant321 said:
I'm having the same problem! i get the 3rdmodem mount failed
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It's not a big deal, just ignore this error ... your device it's WiFi Only, that's why you have this issue ! The TWRP it's only one for the both devices WIFI & LTE !
Simba.M said:
I got Big Big problem..
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Click to collapse
In reality it is a very small error that can be ignored !

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