HELP! Marshmallow update crashed my Galaxy S6 - Galaxy S6 Q&A, Help & Troubleshooting

When I installed the Marshmallow update on my Verizon Samsung Galaxy S6, it basically crashed my phone. Verizon sent me a new one and I'm trying to transfer all my data/apps/settings/etc over. The main problem is that the old phone can't seem to access text messages. Whenever I try, the phone freezes and turns off, which means that any apps to transfer or backup my data that would need to access my text messages also make the phone freeze and turn off. I've been able to piecemeal the some of the info that's most important to me over to the new phone, except for texts and I really don't want to lose that history. Is there was a way I could save the file where texts are stored or some other way to bypass whatever glitch is being triggered. Any suggestions?

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Phone just deleting text messages

I don't know whatelse to do really, but my phone will just delete all of my text messages from my phone randomly.
This is not the if your phone reaches XXXX messages, then delete the oldest, it's erases them all.
I've restored my phone back to 2.1 with Odin, and then updated with Kies light. Phone is rooted with the One-Click Root. Other than that, my phone is pretty stock. I have to use SMS Backup and Restore to back up my SMS every hour because it keeps it keeps killing my texts.
Any advice, or anyone having the same problem

[Q] [HELP!] getting stuff off my phone

So i originally had my phone rooted, but after a couple months of having my phone bother me about updating, i decided to do it. Needless to say, I lost root. I was planning on rooting it again, but my phone got knocked out of my hand and fell, cracking the screen and making it useless (no more touch and screen won't power on). So now i'm trying to pull my contacts and my text messages from the phone, but since it's not rooted, I can't figure out a way to do it. Also, i tried going through adb, but it keeps saying "device not found", even though my phone still powers up and works (I can tell because I keep getting text messages and my phone rings. Does anyone have any ideas on how I can get my information off the phone and on my pc? I've also tried using 'MyPhoneExplorer', but it can't find my phone either.
Your contacts will be backed up to your Google Account, but not your texts unfortunately
Sent from my SCH-I535 using xda app-developers app
I've used this app for years:
SMS Backup and Restore
It doesn't back up MMS though (picture messages). You can manually save any pics sent to you via text to your SD card using every text app I've seen, including the stock ones. That said, I suspect by now there are apps that will back up MMS.
Looks like the stock Messaging app can save text messages as well....

Retrieve Contacts and Gmail Account - Broken Screen

Hi, my partners dad has a galaxy s3 where the screen remains black even though the phone is still receiving messages and calls, his work have now provided him with a new S5 and he wants to retrieve his contacts. The only thing is, he doesnt know what the gmail account is that he used, when setting up the phone he created one because he had to but has never used it since so we have no idea.
Is there any way at all of retrieving the contacts or finding out what gmail address is registered on the phone? Its a work phone so wont be rooted or have debugging and another obstacle is that he may have had a passcode lock on the phone.
Are there any software downloads out there or will KIES help at all? Im wondering if he may have a software update due and can run that through KIES which may hopefully fix the black screen somehow but thinking the passcode lock may stop us.
Really not sure what we can do, he has some contacts on there that he doesnt know and will not be able to get again.

Phone Too Slow to Delete Texts

My phone hasn't aged the best, and I text my girlfriend every day. My phone has had the option to keep messages limited to 1000 and then it'll delete the oldest texts to keep the number down, but I had it disabled for some reason. About a year ago, I tried to delete all of our texts. It was about two years' worth. And my phone would just sit, saying "deleting" for hours. It would either sit there forever, or my phone would stop responding and restart and the process would stop when it did, making the whole effort useless. A year later, it hasn't gotten any better. Even when I activate the setting to automatically delete old texts, it won't. Is there any way to access these texts by hooking it up to a computer maybe? I'm thinking if I can delete the texts on a device that isn't my phone, the process would go a lot smoother. Any ideas/help would be appreciated!
dkibble said:
My phone hasn't aged the best, and I text my girlfriend every day. My phone has had the option to keep messages limited to 1000 and then it'll delete the oldest texts to keep the number down, but I had it disabled for some reason. About a year ago, I tried to delete all of our texts. It was about two years' worth. And my phone would just sit, saying "deleting" for hours. It would either sit there forever, or my phone would stop responding and restart and the process would stop when it did, making the whole effort useless. A year later, it hasn't gotten any better. Even when I activate the setting to automatically delete old texts, it won't. Is there any way to access these texts by hooking it up to a computer maybe? I'm thinking if I can delete the texts on a device that isn't my phone, the process would go a lot smoother. Any ideas/help would be appreciated!
Click to expand...
Click to collapse
The mms and sms are held in a data base file on your phone and can only be accessed with an app which has root permission. The file path to this folder easily searchable online but there are several mmssms.db files in this folder and the right one has to be deleted, in your case it will be the biggest. db file listed.
You cannot delete individual texts with this method you just delete everything in your mms and sms inbox if you get rid of this file. Android system will then auto generate a new empty one.
You may find it much easier to back up everything you want to keep on the phone then factory reset. Now, it is very easy to do this with Samsung smart switch or simply copy folders from your phone to pc then back again after reset
dkibble said:
My phone hasn't aged the best, and I text my girlfriend every day. My phone has had the option to keep messages limited to 1000 and then it'll delete the oldest texts to keep the number down, but I had it disabled for some reason. About a year ago, I tried to delete all of our texts. It was about two years' worth. And my phone would just sit, saying "deleting" for hours. It would either sit there forever, or my phone would stop responding and restart and the process would stop when it did, making the whole effort useless. A year later, it hasn't gotten any better. Even when I activate the setting to automatically delete old texts, it won't. Is there any way to access these texts by hooking it up to a computer maybe? I'm thinking if I can delete the texts on a device that isn't my phone, the process would go a lot smoother. Any ideas/help would be appreciated!
Click to expand...
Click to collapse
Have you tried going into the app manager in settings and just delete the data from your messaging app?

How do I save all of the text message image attachments in bulk

My mom decided to be a dumbass and keep a bunch of photos stored permanently in the text messaging app. Whenever someone sent her something, she wouldn't actually save it, just leave it in the messaging history and dig through the relevant messages whenever she wants to use the photo again. Now, she has a new phone, and she wants all of the pictures that are currently in the text message app on her old phone to be stored in a folder on her new phone, or at the very least to be on her new phone in some form. Ideally, what I want is to get a tarball of all of the messaging app's data that I can then cp *.jpg all of the images out of, and then I can email her the images. I am unwilling to try to root the phone because there are no backups of it, so I don't want to risk breaking anything.
The first thing I tried were the SMS transfer apps from the play store, such as this and this. In theory, these would be the easiest to use solution, and while they wouldn't be out of the messaging app, at least they would be on the new phone. I tried about 10 of them, multiple times each. Every single one would claim to have succeeded in transferring over the messages, but absolutely nothing ever appeared on the new phone.
The next thing I decided to try was LG Switch, since both phones were made by LG. Unfortunately, that didn't work out either. It wanted to wipe the new phone and basically set it up to be an exact copy of the old one. My mom has already started to use the new phone, so nuking the entire phone and copying everything over is not acceptable. Additionally, the radios on the old phone only work intermittently (one of the reasons that the phone was replaced), so I don't want to do anything that will take more than a minute or two over wireless.
Next, I tried Helium. The desktop app opens fine, but the app on the phone doesn't work. Sometimes, I get the application homescreen with a popup claiming that it is waiting for the desktop application and a cancel button that doesn't work. Sometimes, I get a solid white screen. In either case, the desktop app doesn't see it, the phone slows down and gets hot, and eventually I get a "Helium is not responding" popup. This has persisted across multiple attempts to wipe Helium's data and reinstall it.
The final thing I tried was LG Backup, which was buried in the settings menu. The old phone created a backup just fine, but the backup is in a proprietary format that I can't open on my laptop, and LG does not make it clear whether restoring on the new phone will keep the data that's already there or not. Additionally, this will still have the images trapped in a messaging app, except on the new phone instead of the old one.
I'm out of ideas. Anything else I can try? Any way I can fix the issues with something I already tried? Any way I can do this manually with ADB? In case it matters, the old phone is an LG G2 from T-Mobile (Model LG-D801) on Android 5.0.2, and the new phone is an LG K40.

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