Installing ROM update without loosing data - Samsung Galaxy S7 Edge Questions and Answers

Hi. I have one simple question. Can I flash Superman ROM update over version I currently have on my mobile via TWRP? Can I just flash new version without any other steps in the process? Thank you in advance.

I do not believe so.
If you were doing a simple upgrade it would be no problem but flashing a custom ROM is a different story.
there will be changes in kernal, boot-loader and modem depending on which ROM you are coming from. If any one of these changes usually your device is reset and much of the data could be lost.

Though I advise not to change the rom without hard reset you can give it a try (make a backup first!).
Just don't clear data and see what happens. If it doesn't boot up or throws errors you can still reset afterwards.

Have it occurred to you to post this question in the Superman ROM thread? I'm sure you will get all the help over there.

Related

[Q] How to clean wipe a phone ?

Is it possible to clean wipe Galaxy 3 before flashing a fresh ROM as one package via Odin. Something like the "SuperWipe" script to make it bootable only in recovery for flashing ?
For people who might be wondering about the strange nature of this request, there are several reasons for such a situation e.g. BT driver might become corrupted and you have to reinstall new radio version which are sometimes absent in Custom ROMs
And no way a script can be prepared for the same ?
Caramaba - we are back to square one ! The booting issue remains......
I hope a bit more head-banging goes into this before its rejected outright. Meanwhile thanks for your help clarkkov, its not easy answering questions which are hypothetical

Fido Canada S4 rooting/flashing questions

Hello!
So, I've read through the beginner guides (and that is a hilarious video btw!) and just want to double check a few things. I'm on Fido (Canada) with a stock S4 (i337M) that I got a couple days ago.
1. I assume I use the instructions here: http://forum.xda-developers.com/showthread.php?t=2314494 [HOW-TO] and here http://forum.xda-developers.com/showthread.php?t=2298299 [Canadian Root and Recovery].
1a. That tool will allow me to un-root in case I need the warranty, yes?
2. I also want to flash to vanilla Android (aka Pure Google / Google Edition)... which ROM do I use? There are so many I can't tell.
2a. I know the Samsung camera app doesn't work on the Pure Google ROM, but is basic functionality still working, i.e. can I still take a picture / video / etc.? Is there any other basic functionality missing? (I heard something about the volume button?)
3. Which ROM do I use if I want to restore to factory?
4. I also need to backup my SMS, contacts, call log, app data, settings etc. so I can restore them easily after flashing to new ROM, or after restoring to factory ROM. Will Titanium handle all of this?
Thanks
kabutar said:
Hello!
So, I've read through the beginner guides (and that is a hilarious video btw!) and just want to double check a few things. I'm on Fido (Canada) with a stock S4 (i337M) that I got a couple days ago.
1. I assume I use the instructions here: http://forum.xda-developers.com/showthread.php?t=2314494 [HOW-TO] and here http://forum.xda-developers.com/showthread.php?t=2298299 [Canadian Root and Recovery].
1a. That tool will allow me to un-root in case I need the warranty, yes?
2. I also want to flash to vanilla Android (aka Pure Google / Google Edition)... which ROM do I use? There are so many I can't tell.
2a. I know the Samsung camera app doesn't work on the Pure Google ROM, but is basic functionality still working, i.e. can I still take a picture / video / etc.? Is there any other basic functionality missing? (I heard something about the volume button?)
3. Which ROM do I use if I want to restore to factory?
4. I also need to backup my SMS, contacts, call log, app data, settings etc. so I can restore them easily after flashing to new ROM, or after restoring to factory ROM. Will Titanium handle all of this?
Thanks
Click to expand...
Click to collapse
That guide should be fine. If you want "vanilla Android", right now the closest thing would be CM, you can get it from http://get.cm and select "jfltecan" (the canadian S4 model). Ye,s, Titanium can backup all of those things you mentioned, although I am not certain about system settings - there will be a lot of different settings between TouchWiz and AOSP.
CommentProvider said:
That guide should be fine. If you want "vanilla Android", right now the closest thing would be CM, you can get it from http://get.cm and select "jfltecan" (the canadian S4 model). Ye,s, Titanium can backup all of those things you mentioned, although I am not certain about system settings - there will be a lot of different settings between TouchWiz and AOSP.
Click to expand...
Click to collapse
awesome thanks. I'm not worried about system settings just apps and their settings.
for the factory ROM would this work?: http://forum.xda-developers.com/showthread.php?t=2261573 (again, I'm on Fido in Canada)
and lastly, I'm still not clear on the difference between Odin/Loki/whatever you use to root and/or flash - would someone be able to clarify?
Also, just to be clear, what is meant by 'recovery'?
Thanks again
http://forum.xda-developers.com/showthread.php?p=41989987
Loki
refers to the exploit that allows us to run custom recoveries as well as custom roms. You only need to have a loki'd rom if you have a model with a locked bootloader (AT&T).
recovery is a partition that you can access at boot by holding down a combination of keys. (volume up and home button in the case of our sgs4) every phone has recovery stock but it doesn't do much. you can replace stock with clockwork mod recovery which is extremely useful for flashing all kinds of things and making backups before you do. There are other alternative recoveries besides clockwork but that seems to be the most common. TWRP is also gaining popularity these days. You can easily switch between recoveries and or upgrade your current recovery. All that needs to happen is for a new image to be flashed onto the recovery partition. See the rooting guide for more info on how to flash a custom recovery.
Sent from my SGH-I747
mymusicathome said:
http://forum.xda-developers.com/showthread.php?p=41989987
Loki
refers to the exploit that allows us to run custom recoveries as well as custom roms. You only need to have a loki'd rom if you have a model with a locked bootloader (AT&T).
recovery is a partition that you can access at boot by holding down a combination of keys. (volume up and home button in the case of our sgs4) every phone has recovery stock but it doesn't do much. you can replace stock with clockwork mod recovery which is extremely useful for flashing all kinds of things and making backups before you do. There are other alternative recoveries besides clockwork but that seems to be the most common. TWRP is also gaining popularity these days. You can easily switch between recoveries and or upgrade your current recovery. All that needs to happen is for a new image to be flashed onto the recovery partition. See the rooting guide for more info on how to flash a custom recovery.
Sent from my SGH-I747
Click to expand...
Click to collapse
ok, great, thanks. just to clarify one last time: am I correct in understanding that I don't need to have a custom recovery in order to flash a ROM? or is that what installing clockwork mod/TWRP means? (or is that what rooting means?)
Lastly... is there somewhere with a list of what each custom ROM is, and/or what things don't work in the ROM? I do want vanilla, but I'd also be interested in checking out the other ROMs to see if there's one that will keep some TouchWiz functionality while removing the ridiculous skin.
Also, for vanilla Android, would you recommend waiting till devs release a MOD based off of the S4 GE?
kabutar said:
ok, great, thanks. just to clarify one last time: am I correct in understanding that I don't need to have a custom recovery in order to flash a ROM? or is that what installing clockwork mod/TWRP means? (or is that what rooting means?)
Lastly... is there somewhere with a list of what each custom ROM is, and/or what things don't work in the ROM? I do want vanilla, but I'd also be interested in checking out the other ROMs to see if there's one that will keep some TouchWiz functionality while removing the ridiculous skin.
Also, for vanilla Android, would you recommend waiting till devs release a MOD based off of the S4 GE?
Click to expand...
Click to collapse
Check out the link in my first post. A plethora of knowledge that will help you in your Rom journey.
Play around and test the options of roms you have. Each user has different likes/dislikes. MAKE SURE YOU READ THE ORIGINAL POST OF THE ROM YOU ARE PLANNING ON FLASHING. They will contain the basic inductions to flash the Rom and usually any bugs that exist.
Check out this thread for a list of compatible roms -
http://forum.xda-developers.com/showthread.php?p=41834056
[GUIDE][NOOB'S]These non-AT&T ROMs work on AT&T/TMO/Canadian S4 devices. Here's how!
A quick search can be a beautiful thing
Sent from my Nexus 10 using xda premium
mymusicathome said:
Check out the link in my first post. A plethora of knowledge that will help you in your Rom journey.
Play around and test the options of roms you have. Each user has different likes/dislikes. MAKE SURE YOU READ THE ORIGINAL POST OF THE ROM YOU ARE PLANNING ON FLASHING. They will contain the basic inductions to flash the Rom and usually any bugs that exist.
Check out this thread for a list of compatible roms -
http://forum.xda-developers.com/showthread.php?p=41834056
[GUIDE][NOOB'S]These non-AT&T ROMs work on AT&T/TMO/Canadian S4 devices. Here's how!
A quick search can be a beautiful thing
Sent from my Nexus 10 using xda premium
Click to expand...
Click to collapse
Thanks again for the link! I have actually seen several of those... but am just still very confused. mainly on these points:
- FIDO's rom isn't in those lists, and the variety of options for flashing (e.g. some ROMs say they need to be flashed with ODIN not TWRP) is a bit overwhelming!
- there's a post saying the Canadian ROMs are for odin not recovery flashing?
- I'm still not clear on whether I need to install a custom kernel just to flash a different ROM
- Also not clear on how to restore to factory stock (to take it to store for example)
- In the link you sent, the OP said non-ATT people should use the versions in their own forums... but does this apply to Canadian users too or is this ok for them?
Feel free to tell me if I'm being really dumb, but I really am a little lost lol.
As for buggy ROMs... would it be better to wait for one based off the S4 Google Edition?
Thanks again
Canadian dont need loki dont use loki never use loki
Take time to understand everithing before flashing
rodger is the same as fido exept for the rodger bloatware (my accout,visual voicemail etc)
what i did root with cf auto root
installed goomanager on google play ,this app can installed twrp and it really easy
in recovery i flash mint jelly rom ,after its done i flash faux kernel for canadian
To factory restore you have to installe stock rom thru odin ,(from what i understand) it change the rom and the kernel at the same time
zild8 said:
Canadian dont need loki dont use loki never use loki
Take time to understand everithing before flashing
rodger is the same as fido exept for the rodger bloatware (my accout,visual voicemail etc)
what i did root with cf auto root
installed goomanager on google play ,this app can installed twrp and it really easy
in recovery i flash mint jelly rom ,after its done i flash faux kernel for canadian
To factory restore you have to installe stock rom thru odin ,(from what i understand) it change the rom and the kernel at the same time
Click to expand...
Click to collapse
ok, so I'm just sorting through all of this. Successfully rooted and flashed CM nightly. However, now I see 'rogers' instead of 'fido' and 4G in the status bar, which I understand means that I'm on LTE according to stock JB icons.
So to sort this out:
a) what do I do about this incorrect network name?
b) if I restore to stock rom through odin, and it installs the 'rogers' rom, how do I get back to the fido apps? will I still have the network access / wrong name problem?
c) if I want to go BACK to stock eventually, I seem to have two options:
http://forum.xda-developers.com/showthread.php?t=2261573 [FACTORY STOCK]
http://forum.xda-developers.com/showthread.php?t=2269304 [12 May Official STOCK firmware collections for Canadian S4]
which do I use?
d) I took a nandroid image, BUT: can I restore from this (after wiping all data) to get back to factory ROM, or MUST I use ODIN? Or, do I need to use ODIN and then nandroid to restore everything about the stock ROM?
Thanks!!
A = I think cm have an option to rename carrier label if not you can install xposed framework and notach xposed and the go in frameword,module then activate nottach .open nottach then chose any option that you want ,over 100...
or i think you can try change your apn to show fido ( not sure)
B= check playstore for fido app
C= ? i dont know i think both of then are good, iwould use the one that say canadian stock firmware
D = if you restore from nandroid i think you flash counter gonna still show that you running cutom rom ,best way should be thru odin
Read a lot before you do anithing,you have to understand ..seem to be easy to brick .did not happen to me since one years ,but i read a lot..
And hit the thanks button when somebody helps you
zild8 said:
A = I think cm have an option to rename carrier label if not you can install xposed framework and notach xposed and the go in frameword,module then activate nottach .open nottach then chose any option that you want ,over 100...
or i think you can try change your apn to show fido ( not sure)
B= check playstore for fido app
C= ? i dont know i think both of then are good, iwould use the one that say canadian stock firmware
D = if you restore from nandroid i think you flash counter gonna still show that you running cutom rom ,best way should be thru odin
Read a lot before you do anithing,you have to understand ..seem to be easy to brick .did not happen to me since one years ,but i read a lot..
And hit the thanks button when somebody helps you
Click to expand...
Click to collapse
AWESOME, thanks for all that. Successfully flashed, so hopefully that's the end of it all. And thanks for pointing out the thanks button!!
Two LAST quick things:
- if I use the Canadian stock firmware, do I still end up with a wrong carrier name sign? I imagine I may need to ask the dev that, but just in case you happen to know. I actually can't seem to fix it using the methods you suggested, so I'd prefer not to have this happen.
- ok so I can flash with ODIN and then use nandroid to restore a snapshot of the filesystem I assume?
kabutar said:
AWESOME, thanks for all that. Successfully flashed, so hopefully that's the end of it all. And thanks for pointing out the thanks button!!
Two LAST quick things:
- if I use the Canadian stock firmware, do I still end up with a wrong carrier name sign? I imagine I may need to ask the dev that, but just in case you happen to know. I actually can't seem to fix it using the methods you suggested, so I'd prefer not to have this happen.
- ok so I can flash with ODIN and then use nandroid to restore a snapshot of the filesystem I assume?
Click to expand...
Click to collapse
-If you flash back to your stock carrier specific firmware with ODIN the carrier will be correct. You will be back to just as when you first got it from the dealer (provided they didn't set it up for you first).
-You shouldn't be able to restore the nandroid if you ODIN back to stock because you will no longer have a custom recovery.
blyndfyre said:
-If you flash back to your stock carrier specific firmware with ODIN the carrier will be correct. You will be back to just as when you first got it from the dealer (provided they didn't set it up for you first).
-You shouldn't be able to restore the nandroid if you ODIN back to stock because you will no longer have a custom recovery.
Click to expand...
Click to collapse
- Well the problem is that my carrier is Fido, a subsidiary of Rogers, and so CM only has a 'Rogers' release. Similarly there is only a 'Rogers' stock firmware, so I don't want to flash back to that and have the carrier still wrong...
- OK, well I assume I could root, flash nandroid, and then unroot - yes?
Thanks!
kabutar said:
- Well the problem is that my carrier is Fido, a subsidiary of Rogers, and so CM only has a 'Rogers' release. Similarly there is only a 'Rogers' stock firmware, so I don't want to flash back to that and have the carrier still wrong...
- OK, well I assume I could root, flash nandroid, and then unroot - yes?
Thanks!
Click to expand...
Click to collapse
-I see the dilema.
-Well as opposed to even flashing to stock with ODIN in the first place. I would suggest booting to recovery (TWRP or CWM), and restore your Nandroid backup. This should bring you to the point before you flashed any ROM. Keep in mind this won't however remove status showing 'custom'.
If you happened to already ODIN back to stock you would have to root again, install custom recovery and perform the step above.
blyndfyre said:
-I see the dilema.
-Well as opposed to even flashing to stock with ODIN in the first place. I would suggest booting to recovery (TWRP or CWM), and restore your Nandroid backup. This should bring you to the point before you flashed any ROM. Keep in mind this won't however remove status showing 'custom'.
If you happened to already ODIN back to stock you would have to root again, install custom recovery and perform the step above.
Click to expand...
Click to collapse
that is what I was thinking... there are ways to unroot as far as I know so hopefully that should be ok!
thankfully I did take a nandroid backup. speaking of which - I have 3 files, does this sound ok?:
- boot/sys/data (these were originally selected so just went with it)
- efs
- other (everything else)
last clarification: I thought nandroid was not recommended if switching between ROMs? like if I had a computer backup (i.e. nandroid) but took the backup in Windows XP (i.e. stock rom) and then tried to restore it over Windows 8 (i.e. CM rom), bad things would happen? or is the nandroid more like an acronis boot image thing where it completely wipes everything?
lastly, if I do that... do I need to wipe factory data, dalvik cache, etc or will nandroid take care of that for me?
many thanks again!
kabutar said:
that is what I was thinking... there are ways to unroot as far as I know so hopefully that should be ok!
thankfully I did take a nandroid backup. speaking of which - I have 3 files, does this sound ok?:
- boot/sys/data (these were originally selected so just went with it)
- efs
- other (everything else)
last clarification: I thought nandroid was not recommended if switching between ROMs? like if I had a computer backup (i.e. nandroid) but took the backup in Windows XP (i.e. stock rom) and then tried to restore it over Windows 8 (i.e. CM rom), bad things would happen? or is the nandroid more like an acronis boot image thing where it completely wipes everything?
lastly, if I do that... do I need to wipe factory data, dalvik cache, etc or will nandroid take care of that for me?
many thanks again!
Click to expand...
Click to collapse
I think when you go into recovery and restore nandroid everything will restore.
I would just restore the nandroid from your current state via recovery. If you are worried about it or it causes a problem, it isn't to many more steps to flash to stock via ODIN, root and install recovery and proceed with restore.
I think it is always safe practice to wipe first, and not to dirty flash.
blyndfyre said:
I think when you go into recovery and restore nandroid everything will restore.
I would just restore the nandroid from your current state via recovery. If you are worried about it or it causes a problem, it isn't to many more steps to flash to stock via ODIN, root and install recovery and proceed with restore.
I think it is always safe practice to wipe first, and not to dirty flash.
Click to expand...
Click to collapse
ok thanks.
However: I may be SAVED! I just realized that Fido is often tagged as FMC, and there's a stock firmware for that one in this thread. Thank the heavens!
kabutar said:
ok thanks.
However: I may be SAVED! I just realized that Fido is often tagged as FMC, and there's a stock firmware for that one in this thread. Thank the heavens!
Click to expand...
Click to collapse
Didn't know that! Never been with Fido. Great news for you, all you have to do is ODIN that firmware
blyndfyre said:
Didn't know that! Never been with Fido. Great news for you, all you have to do is ODIN that firmware
Click to expand...
Click to collapse
Yeah, very relieved, and now just gotta figure out why my phone is showing up as a Rogers phone when the nightly is tagged Rogers + Fido and I'll be good to go. I must say I miss multi-window a little and the handwaving over screen a lot, but by god TouchWiz was ugly.
hey kabutar
Yesterday i flash the 12 may stock firmware thru odin ,to revert backt to stock
Here what i did
-latest odin 3.07
-put your phone in download mode with usb not pluged to computer ...
-closed all kies software
-plug your phone in computer
add firmware on pda button ,dont touch any other option.
reboot i add a lot of crashing app so i went to recovery and errase data
reflash thru odin the stock firmware ,and boom everthing was stock ,no more custom in os or in download mode

noob, note 8.0 lte, getting back to stock from cwm

Just running this by, to see if i have everything correct.
if i have cwm installed, regardless of model,
to install a stock firmware from samsung, thus basicaly resetting my device back to stock,
i can go into cwm and install this,
http://samsung-updates.com/details/12916/Galaxy_Note_8.0_LTE_Canada/SGH-I467M/RWC/I467MVLAMG2.html
since thats my model,
and it will restore the device to factory settings, correct?
will this wipe out cwm or will cwm stay?
also, can i do this from odin?
if so,
as long as one can get there device into download mode, they can restore the device correct?
and if thats the case, what are the ways that one may wipe out that portion of the device?
is that part of the bootloader?
or is it part of the kernal,
sorry for such noob questions...
i am really new to rom flashing, but really want to get good at it.
thanks everyone in advance,
ths forum is amazing, and all you people are amazing.
Samsung devices are pretty easy to restore and hard to brick, as long as you have some firmware you can flash through Odin. Download mode should remain intact even if you mess up the bootloader/system.
I haven't looked at the link you provided, but assuming the downloads there are in Odin format, flashing back to stock should be easy as pie.
If however, you don't have Odin flashable firmware, and you ahve soemthign that needs to be flashed via fastboot/recovery, then I'm hoping your recovery is still intact and you can boot to it via Volume Up + Home + Power. If you can get into it, you should be able to load firmware onto a MicroSD card and flash from there.
GhostCyber said:
Just running this by, to see if i have everything correct.
if i have cwm installed, regardless of model,
to install a stock firmware from samsung, thus basicaly resetting my device back to stock,
i can go into cwm and install this,
http://samsung-updates.com/details/12916/Galaxy_Note_8.0_LTE_Canada/SGH-I467M/RWC/I467MVLAMG2.html
since thats my model,
and it will restore the device to factory settings, correct?
will this wipe out cwm or will cwm stay?
also, can i do this from odin?
if so,
as long as one can get there device into download mode, they can restore the device correct?
and if thats the case, what are the ways that one may wipe out that portion of the device?
is that part of the bootloader?
or is it part of the kernal,
sorry for such noob questions...
i am really new to rom flashing, but really want to get good at it.
thanks everyone in advance,
ths forum is amazing, and all you people are amazing.
Click to expand...
Click to collapse
sorted!
Got it sorted, thanks very much..:good::laugh:

[Q] clarification on multiple topics for a beginner.

Hey guys. I want to start off by saying that I've researched answers to my following questions but the answers have raised more questions.
I will first explain my current setup and the process in which I took to get here.
When I first got my phone it was mj7
From fully stock (no root) I installed the OTA mje update.
I then rooted using Kongo
Installed SS
Installed the JellyBeans rom
Now wwhee I need clarification. ..
If I'm upgrading a new version in the future of this same rom it states to do a factory reset. To me this means use ss and perform a wipe on the rom slot the current rom is installed on. Is this correct? I ask because I've seen posts saying you should reroot before doing so. This leads me to my next question....
If I'm going to unroot and put back to stock as if I was going to do a warranty swap can I use the kingo unroot option and be all set? I've read that this works perfectly fine but then I see others saying you should flash the tar file. And that brings me to my last question. ..
If needing to fflash the tar file should I flash the current mj version my phone is on (I believe this is called the kernel version? ) or whatever is the latest one released ?
I totally understand these are basic questions that I should already know and have been talked about a million times but for a beginner like me and the HUGE amount of info out there I feel I'm getting some contradicting information. Please forgive my lack of knowledge, I'm just now stepping into this world. Thank you in advance... any and all input would be hugely appreciated.
JiMiHenDriX420 said:
If I'm upgrading a new version in the future of this same rom it states to do a factory reset. To me this means use ss and perform a wipe on the rom slot the current rom is installed on. Is this correct? I ask because I've seen posts saying you should reroot before doing so. This leads me to my next question....
If I'm going to unroot and put back to stock as if I was going to do a warranty swap can I use the kingo unroot option and be all set? I've read that this works perfectly fine but then I see others saying you should flash the tar file. And that brings me to my last question. ..
If needing to fflash the tar file should I flash the current mj version my phone is on (I believe this is called the kernel version? ) or whatever is the latest one released ?
I totally understand these are basic questions that I should already know and have been talked about a million times but for a beginner like me and the HUGE amount of info out there I feel I'm getting some contradicting information. Please forgive my lack of knowledge, I'm just now stepping into this world. Thank you in advance... any and all input would be hugely appreciated.
Click to expand...
Click to collapse
One you have updated to MJE and achieved root and installed SS, you're good, until the next OTA rolls out from verizon. Currently I have my stock slot with root and nothing else. My first custom Rom slot has Beans' Rom on it. when people say to do a factory reset, they are talking about a factory reset on the specific rom slot you wish you flash. When you wipe a Rom slot, only that slot is affected, nothing else. So the phone will not lose root, or MJE, or SS.
So, in your case, back up your apps with TB or whatever you use, save your media on your MicroSD if you have one, and wipe the slot that youre going to flash. Dont wipe the stock slot, unless that's the one youre re-flashing. after you wipe, flash the new Beans 5, then either have google sync up your apps, or install titanium backup and go restore everything. Personally i had problems doing a full batch restore, so I only restored a few things, (i left out a bunch of system app data restores such as settings and dictionaries), but that should do the trick.

Cannot flash a rom

Hi, I have screwed my phone, and I need some help. It had been a long time since I did this sort of thing and didn't go well.
I dowloaded and flashed TWRP without a problem. Then I tried to root via supersu, as I thought everything would be ok, didn't worry about backup, I know, I shouldn't hav, my bad. But now it is too late. After installing supersu with TWRP the phone wouln´t start.
Trying to do a factory reset with TWRP I messed up and deleted everything on the phone. So now I only have TWRP and nothing else.
I am trying to flash a ROM from sammobile with Odin, but it fails at the very beginning and I don´t know what else to do.
- Could I copy a backup from other phone? will that work? I have another identical phone and I could do that, I guess, and restore with TWRP.
- Or maybe flash another ROM, maybe a custom one?
Any help will be greatly appreciated.
Thanks,
Jose
Hi all again,
I have solved my problem and now my phone is working fine. I will try rooting it later and installing the extended memory fix to be able to use the sd card as internal memory. This is what I did.
I copied the TWRP back up from my second phone into my "not working" phone, I followed some tips that I found elsewhere in XDA for assuring that the serial number was correct.
This did not fix the phone, it still wouldn't start. It would go into a loop and the start screen, but allowed me to flash a new ROM.
At first it seemed to work, but wouldn't start. It moved pass the start screen but got stuck on the Samsung logo. I turned it off by removing the battery and eventually it has started OK and seems to be working fine. Now it is downloading some updates.
Just as it may help someone along the line.
jlguillot said:
Hi, I have screwed my phone, and I need some help. It had been a long time since I did this sort of thing and didn't go well.
I dowloaded and flashed TWRP without a problem. Then I tried to root via supersu, as I thought everything would be ok, didn't worry about backup, I know, I shouldn't hav, my bad. But now it is too late. After installing supersu with TWRP the phone wouln´t start.
Trying to do a factory reset with TWRP I messed up and deleted everything on the phone. So now I only have TWRP and nothing else.
I am trying to flash a ROM from sammobile with Odin, but it fails at the very beginning and I don´t know what else to do.
- Could I copy a backup from other phone? will that work? I have another identical phone and I could do that, I guess, and restore with TWRP.
- Or maybe flash another ROM, maybe a custom one?
Any help will be greatly appreciated.
Thanks,
Jose
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U need install MM Bothloder I mean MM rom your phone

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