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How to flash/install CWM or TWRP to an unknown device

I live here on Dubai. I bought my Tab named "Q-wave781M"(Which is not known) with 4.2.2 firmware cost 600+ AED. I want to update it atleast 4.3 or 4.4. Checked the About Tablet then update but nothing pop out. I dl'ed an app that check what firmware i can upgrade to and it possible for 4.4. 2 weeks ago i learned about custom roms. But there is a possibility to brick if it's not properly installed. I dl'ed Rom Manager but cwm/twrp doesn't support the device(Can't install/flash). A msg said it's installed but after booting to recovery still the stock recovery. I'm newbie here and modding android. Please help. Ty.

Lenovo A5000 no SIM problem

Hi
So I have a lenovo A5000, I upgraded lately to lollipop 5.0.2 and it worked kinda fine ( with few bugs in wifi) but it was working, until they issued another update and I made it hoping they'll fix these bugs. In fact they did, but they ruined another thing, the most important thing which is calling.. now the phone can't read SIM cards, and obviously can't make calls.. I've been waiting for a FIX update for more than a month now but in vain can you please help me?
The update version is "a5000 s124-151118 8g row" (the actual one, the one that ruined the phone)
I appreciate any help!

IMEI Lost
Yours is an MT6582?? It is an older SoC with a lot of solutions already availble , check my library for anything of use : https://cloud.mail.ru/public/4y1e/8EmB3askZ . I am a long time MTK/Lenovo starting 4 years ago with my first Lenovo on MT6582 QuadCore now I am on MT6592 OctaCore. When you say update you mean OTA update? ? Lenovo OTA is prone to cause "bootloop", black screen, softbrick in 95% of the case , you are one of the lucky ones who manage to update without those issues (albeit with WiFi/IMEI issues) MTK firmware structure is different from Qualcomm/Intel devices since it installs the modem drivers in seperate memory segment and will be reinstall everytime you reflash or do OTA and therefore bound to loose IMEI (you will have to rewrite the IMEI check on your giftbox for the number -hope you didnt throw away the box) Please visit Lenovo Russian Forum for firmware : http://lenovo-forums.ru/talks/ or http://4pda.ru/devdb/phones/lenovo for full Lenovo support rather Lenovo International Forum which doesnt help users at all. Please use Google Chrome with tranlator installed to vist Russian site.

cracktech said:
Yours is an MT6582?? It is an older SoC with a lot of solutions already availble , check my library for anything of use . I am a long time MTK/Lenovo starting 4 years ago with my first Lenovo on MT6582 QuadCore now I am on MT6592 OctaCore. When you say update you mean OTA update? ? Lenovo OTA is prone to cause "bootloop", black screen, softbrick in 95% of the case , you are one of the lucky ones who manage to update without those issues (albeit with WiFi/IMEI issues) MTK firmware structure is different from Qualcomm/Intel devices since it installs the modem drivers in seperate memory segment and will be reinstall everytime you reflash or do OTA and therefore bound to loose IMEI (you will have to rewrite the IMEI check on your giftbox for the number -hope you didnt throw away the box) Please visit Lenovo Russian Forum for firmware for full Lenovo support rather Lenovo International Forum which doesnt help users at all. Please use Google Chrome with tranlator installed to vist Russian site.
Click to expand...
Click to collapse
Thanks for replying buddy :laugh:
Well yeah it is an MT6582. yeah it's an OTA update, from the update center in settings. I did update it almost 4 times before, I mean before upgrading to Lollipop, well the first upgrade was okay as I said with only few bugs, but the second one after lollipop was the one who messed the sim
I didn't have any problem from the ones you mentioned above, the phone boots normally.. but I don't know about the IMEI thing, how can I do that, I still have the box!
what do you think about taking it back to the provider, I mean the warranty is still not void, will they be able to get me back the original firmware(Kitkat) or the new working Lollipop... do you think they accept such things?
okay, I'll check out the forum for more informations :good:
thanks a lot, again

Sending back to Lenovo service center is the best option ( i.e. Lenovo official service center not an agent , distributor) You are still good on warranty ( within 12 mths) and you have not rooted it or open the covers.Its your choice , if you want to " learn" how to restore IMEI/ NVRAM for MTK you are welcome to try. ( If there is an MTK device in your future purchase) it doesnt happen on all MTK but once in awhile we at Forums do get request to restore IMEI ,some users succeeds n some dont when they fumbled on the method given.

ROOT & Stock ROM for SM-J727S Galaxy J7 May 2017

Hi guys,
I was hoping someone could help me out. I have rooted before (long time ago) but I can't seem to find a lot of information on this specific phone (SM-J727S). I have been searching online (and across many dodgy looking websites, thanks No Script!) and this is about all that I have found:
The Galaxy J7 is also known as the Galaxy Wide 2 in South Korea
http://pdadb.net/index.php?m=device&id=11601&c=samsung_sm-j727s_galaxy_wide_2
It was released on May 2017, runs Android 7.0 (Nougat) and uses the Exynos chipset
TWRP has a release for the J700 series but I'm not sure if it would work on the J727S
https://twrp.me/devices/samsunggalaxyj7exynos.html
The source code for the system has been released, but I couldn't find a stock ROM (which made me reluctant to try TWRP)
http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=j727s
This is the closest I got to a Stock ROM but I don't trust the site, is this site trustworthy? (again, I came across too many dodgy sites to just download anything)
https://stockromupdate.com/2017/07/26/stock-rom-sm-j727s-samsung-galaxy-wide-2/
The KingRoot method currently will not work and is asking me to wait for an update (phone is probably too new to root?)
The closest thing I can find on this forum are these posts (but none reference the J727S model)
https://forum.xda-developers.com/galaxy-j7/development/root-sm-j727p-galaxy-j7-perx-td-lte-t3611202
https://forum.xda-developers.com/galaxy-j7/help/root-sm-j727p-galaxy-j7-perx-galaxy-j7-t3598117
So, I'm hoping someone could point me in the right direction. Thanks in advance

I'd thought I'd mention that the bootloader is unlockable in this phone. I had read elsewhere that other people cannot access the 'OEM Unlock' option on their version of the J7. It isn't the case with this phone
https://forum.xda-developers.com/galaxy-j7/help/galaxy-j7-pop-galaxy-halo-t3647805/page2
I also got a message from Google talking about my accounts being accessed by a 'J7 Pop'. I guess the Galaxy Wide 2 is also known as the J7 Pop?

So, I'm still on the track of rooting this device. I'm just gonna update any relevant stuff here.
The closest TWRP that I can find is for the 2016 version of this phone, it has the same Exynos chipset.
I'm thinking of trying this, but are there any problems with flashing the wrong version of TWRP? (Will I brick the phone? Or will it just error-out on recovery and boot normally?)
https://twrp.me/devices/samsunggalaxyj72016exynos.html
I also found (what I believe to be) the Stock ROM for this type of phone, you have to sign up to the site in order to download it. It is specific to SK Telecom (Korean telecommunications provider)
https://www.sammobile.com/firmwares/samsung-galaxy/SM-J727S/SKC/download/J727SKSU1AQD6/172065/
If someone can advise about going forward with the similar TWRP version I'd appreciate it. Cheers!
EDIT: Kinda answered my own question, from the TWRP download page https://dl.twrp.me/j7xelte/
Downloading an image for a different device, no matter how similar, usually does not work.
Click to expand...
Click to collapse
Any way to request an TWRP version?

I am Korean, and it's very hard It's angry me............................

XDDDD I'm from South Korea too and the J727S is customized with the Knox Enrollment Service that blocks the wifi and cellular data AND apk installization. (trying to uninstall it )

I found this: https://www.androidinfotech.com/2018/02/root-samsung-galaxy-wide-2-sm-j727s-nougat.html

anyone habe twrp for this model ????

Hi.. I've this model also.. tried to downgrade..but it can't..always failed

My friend was installing the twrp to root a J7 metal.
Now the cell phone does not restart, and I do not know what the **** it did KKkkkkkkkkkk
It wants to remove the twrp without formatting the device.
If installing the original rom by Odin using home_csc does it return to normal without formatting?

Restore
CPI Justiceiro said:
My friend was installing the twrp to root a J7 metal.
Now the cell phone does not restart, and I do not know what the **** it did KKkkkkkkkkkk
It wants to remove the twrp without formatting the device.
If installing the original rom by Odin using home_csc does it return to normal without formatting?
Click to expand...
Click to collapse
If you have the firmware file the phone was on at the time he tried to Root it just flash the files using Odin an you should be good !

peter couniaz said:
If you have the firmware file the phone was on at the time he tried to Root it just flash the files using Odin an you should be good !
Click to expand...
Click to collapse
This is will make a clear data???
He canoot loose the data from the phone..

Home CSC file !
CPI Justiceiro said:
This is will make a clear data???
He canoot loose the data from the phone..
Click to expand...
Click to collapse
If he flashes the Home CSC file it may restore data but he may have to start from scratch ! Sorry an good luck !
P.S did he have it backed to Google if so Google will give the option to restore when you sign in !

Very hard to find twrp or cwm foe this model..also the combination file..and upgreded to android 9..

[GUIDE]Downgrading From 7.0 to android 6.0 on Samsung devices(J7 2016). 100% working.

Hey guys
After a lot of googling and trial and error . I failed several times and also had boot loops and also lost IMEI and SN. but I just found a working method to downgrade SAMSUNG devices.
Here I have used J7 2016. and I am 100% sure that this method should work on other devices bcoz I have not used any specific tool except Odin.. I would like to inform that I was on Latest Nougat version with Bootloader updated.
Curent Status is :-
Baseband :- J710FXXU5BRD4
Bootloader version :- J710FXXU5BRD5
PDA:- J710FXXU2APK6
CSC:- J710FODD2APK6
here baseband and bootloader are latest (7.0) but CSC and PDA are of 6.0.1.
So lets begin:-
We need
:-
1)ODIN
2)Nougat Firmware for your device.
3)J7 2016 4 file firmware of 6.0.1. you will find this on beow link.
https://forum.xda-developers.com/ga...rom-j7-2016-stock-rom-build-date-7th-t3515491
I would like you to check your original model number which is mentioned behind the battery of the phone.I am from india so mine is J710FN. so download the Nougat firmware from UPDATO. you might find J710F or J710MN or other version but download the exact variant. in some cases it can lead to IMEI loss. because you need correct BASEBAND.
SO now.
you have Nougat which can be flashed via ODIN in a single file package.
and Marshmallow which can also be flashed via ODIN but in 4 Files.
Step one.
Open ODIN and select AP. and browse the nougat firmware which is single file. Check AP box.
Step Two
Click on CSC and browser the CSC file of the marshmallow version which we downloaded from above link.
Untick Autoreboot from Options menu.
Step three
Connect phone in download mode and click START.
Step Four
After Flashing is complete the phone will not reboot. now disconnect the device. remove the battery. and start the download mode again.
Step FIVE.
Now click on reset in ODIN and select AP and CSC file of Marshmallow(CSC file 2nd time) . only 2 files not all of then. Click FLash.
Now your device will boot in 6.0.1.
and you have successfully downgraded you Samsung device.
FOLLOW EVERYTHING STEP BY STEP and it will work 100%. I myself found this after working for almost 2.5 months.
IF YOU HAVE 4 FILE FIRMWARES OF BOTH NOUGAT AND MARSHMALLOW. THEN FLASH THE
NOUGAT FIRMWARE BL,AP,CP OT NOUGAT AND CSC OF MARSHMALLOW AND THEN continue from step 4.

Thanks for sharing the method.
Any specific reason to downgrade ?? Like any performance or battery life improvement?

sandeepkumar0153 said:
Thanks for sharing the method.
Any specific reason to downgrade ?? Like any performance or battery life improvement?
Click to expand...
Click to collapse
Yeah Nougat version on Devices that are low on specifications like Samsung J5 2016 ,J7 2016 ,A5 and A7 2016 variants. There Dont run as fluid as the Marshmallow version. ESPECIALLY ON J5 which has a Quad core processor of 1.2ghz.
I have been dealing with all stuff since 7-8 years using Android devices since Galaxy Y. And till now i only used to refer or read on XDA. But I found that there are several people Struggling to downgrade fheir devices.
ANd due to bootloader Security it was nearly impossible to downgrade the OS. there are Lots of Fake Videos on youtube for downgrading Samaung OS.
And hence. As soon as I found this working I made an account and created a New Post. I was not able to post in Roms and Development Sections bcoz of 10 posts XDA policy.

Monkey 'D' Luffy said:
Yeah Nougat version on Devices that are low on specifications like Samsung J5 2016 ,J7 2016 ,A5 and A7 2016 variants. There Dont run as fluid as the Marshmallow version. ESPECIALLY ON J5 which has a Quad core processor of 1.2ghz.
I have been dealing with all stuff since 7-8 years using Android devices since Galaxy Y. And till now i only used to refer or read on XDA. But I found that there are several people Struggling to downgrade fheir devices.
ANd due to bootloader Security it was nearly impossible to downgrade the OS. there are Lots of Fake Videos on youtube for downgrading Samaung OS.
And hence. As soon as I found this working I made an account and created a New Post. I was not able to post in Roms and Development Sections bcoz of 10 posts XDA policy.
Click to expand...
Click to collapse
okay, i own a J5 2016 and i can understand what you said. that phone runs smooth with stock deodexed. but has some sluggish interface with custom roms of nougat.

Hi. Is it possible to downgrade J7 2016 J710FN from Android 8..1 to 6.0?? Thanks.

astronman said:
Hi. Is it possible to downgrade J7 2016 J710FN from Android 8..1 to 6.0?? Thanks.
Click to expand...
Click to collapse
Definitely. I just did it.

hawkeye147 said:
Definitely. I just did it.
Click to expand...
Click to collapse
How? I tried 100 times from 100 posts from internet and no success.

Galaxy A13 5G SM-A136B [custom rom?]

Hello members,
Myphone: Galaxy A13 5G SM-A136B
I would like to use a 64-bit Android OS system with this phone.
The factory ROM is 32-bit.
I need a complete installation guide. And custom rom, custom kernel.
No one uses this? I won't choose another phone.

sorry i got one as a present but even thought i used weird aliexpress brand before (and acer) even though they had no guides i could follow the mediatek chipset guides more or less i hate brands like my first dvd player from sony complaining about region locks. I never had that before on the cheap stuff (just saying mainstream brands are usually more trouble and for more money.) but tried many of the same generated guides that say backup your phone before you start( i like that idea but before you can really backup you need root and fastboot seems to be non funtional these days cant we just mount a stock firmware img copy our needed root files in it and burn that like it is stock?) those img file are basiccaly just partions with files on it on intenal flash mem. at least i learned how to flash stock firmware after many failed root attempts and boot loops. i hope you find your info

Samsung Galaxy Wide6 factory ROM work? For SM-A136B
SM-A136S rom flash SM-A136B device.
CSC how to change it?
Wide6 ony SKC region. Sim unlock rom?

WDX-ZU said:
Samsung Galaxy Wide6 factory ROM work? For SM-A136B
SM-A136S rom flash SM-A136B device.
CSC how to change it?
Wide6 ony SKC region. Sim unlock rom?
Click to expand...
Click to collapse
No.