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Frequent freezes of S2 LTE (I727R). Not sure how to resolve?

I am having a very annoying problem with my Rogers I727R S2 phone on ICS stock.
The problem started to increase in frequency to become a real pain.
My phone would suddenly freeze and stop responding to screen touches for a bit, sometimes as long as 2 minutes, before bouncing back. When it comes back, it initializes as if it is restarting, so I would feel a vibration, lose all open applications and see icons start appearing on notification bar one by one. The media scanner would start working and software installed on SD card start appearing.
The problem happens spontaneously and out of the blue. It was occurring at less intensity on gingerbread before upgrading to ICS. After upgrading, it was not that frequent until only recently.
I noticed the problem goes away when I remove the SD card or when I am on flight mode with no Wi-Fi. I changed the SD card but this did not help. Connecting from home or work does not differ, so a problem with Wi-Fi would be ruled out. I once had a problem with home Wi-Fi when somehow the router’s DNS was not resolving, when this problem of mine was at its prime, and my phone was rendered unusable as it only takes couple of minutes before acting up.
I spent quite long time searching for an answer and so far no luck
I just placed a video illustration of the problem, and hope to get feedback on even where to head.
watch?v=akS59vFfIAI

raymonko said:
I am having a very annoying problem with my Rogers I727R S2 phone on ICS stock.
The problem started to increase in frequency to become a real pain.
My phone would suddenly freeze and stop responding to screen touches for a bit, sometimes as long as 2 minutes, before bouncing back. When it comes back, it initializes as if it is restarting, so I would feel a vibration, lose all open applications and see icons start appearing on notification bar one by one. The media scanner would start working and software installed on SD card start appearing.
The problem happens spontaneously and out of the blue. It was occurring at less intensity on gingerbread before upgrading to ICS. After upgrading, it was not that frequent until only recently.
I noticed the problem goes away when I remove the SD card or when I am on flight mode with no Wi-Fi. I changed the SD card but this did not help. Connecting from home or work does not differ, so a problem with Wi-Fi would be ruled out. I once had a problem with home Wi-Fi when somehow the router’s DNS was not resolving, when this problem of mine was at its prime, and my phone was rendered unusable as it only takes couple of minutes before acting up.
I spent quite long time searching for an answer and so far no luck
I just placed a video illustration of the problem, and hope to get feedback on even where to head.
watch?v=akS59vFfIAI
Click to expand...
Click to collapse
Try a different launcher.

the only way to troubleshoot is to start from scratch, read my 2nd link in my sig to restore to stock ics, reset within the recovery when odin finishes flashing, also keep out your sdcard out just to make sure your sdcard or its slot is not the problem. if still having probs its hardware failure, should still be under warranty

odeccacccp said:
Try a different launcher.
Click to expand...
Click to collapse
For reference, a different launcher did not do it

vincom said:
the only way to troubleshoot is to start from scratch, read my 2nd link in my sig to restore to stock ics, reset within the recovery when odin finishes flashing, also keep out your sdcard out just to make sure your sdcard or its slot is not the problem. if still having probs its hardware failure, should still be under warranty
Click to expand...
Click to collapse
I went through your instructions restoring to stock ICS (which did not wipe my data as I thought it would). This did not help though, and the problem persisted. After that I decided to a hard factory reset. This appears to have done the job and my phone was working very smoothly.
Because my phone is rooted, I restored to the buggy stock again using CWM in hope to be able to figure out how to my migrate my purchased software, data and settings after hard reset. I wonder if there is a way to preserve important files even with replacing systems. I want to hard reset again but I keep my important information

raymonko said:
I went through your instructions restoring to stock ICS (which did not wipe my data as I thought it would). This did not help though, and the problem persisted. After that I decided to a hard factory reset. This appears to have done the job and my phone was working very smoothly.
Because my phone is rooted, I restored to the buggy stock again using CWM in hope to be able to figure out how to my migrate my purchased software, data and settings after hard reset. I wonder if there is a way to preserve important files even with replacing systems. I want to hard reset again but I keep my important information
Click to expand...
Click to collapse
after restoring stock perform a reset in the recovery, if old data is still there after reset its a hw defect in the nand
edit: reread your post so nm what i just posted, use titu or other backup software

Looking to Undo Root and All Customization, Need Help to do So

Ok, so as the title says, I'm looking to completely undo having rooted my tablet, and all the customization I did to it, but I'm having a bit of trouble.
According to multiple apps my tablet is no longer rooted, and I got the stock rom from Sammobile flashed on it, and I have the stock recovery back, but I seem to be suffering from the wifi problem that CM suffers, I know this as I can connect to my 5G wifi as well, which I'm never able to do when the tablets wifi is working correctly, and also even connected I barely have any speed, if even any.
Now I know of the wifi fix you can flash through TWRP, but as I said, no more TWRP, and I don't want to reinstall it, I want everything back to stock.
Now, I know of Wifi Fix's for other tablets, like the Galaxy S4, that you can flash on with Odin, but I can't seem to find one like that for the Note Pro 12.2. So if anyone can send me a link I'd really appreciate it.
And also, I can't remember, but did the Note Pro 12.2 ever get anything higher then Android 5.0.2? Because I try to update it, and it says because my tablet was modified I can't do so. Plus Sammobile doesn't have higher then 5.0.2 but I read somewhere that it got 5.1.1 so I really don't know, any help on that front as well would be great.
Now, you may be wondering why I want to do this, in truth I'd rather have my tablet rooted, I save so much battery life getting rid of all the bloatware. But no matter what I do, there always ends up being a problem with my tablet.
I follow all the instructions given, I do exactly what everyone else does, even having someone walk me through it step by step once, and always it goes horribly wrong.
The first time my Nova Launcher would crash constantly, and then everything else would start crashing with it. Then the second time all my videos would play stuttering and jerky, and the audio would be out of sync horribly, and nothing I did would fix it. And now most recently, even though the tablet it connected to the computer, the drivers always fail installation, and even when they are successful, I'm still unable to actually access the tablet from my pc.
I read somewhere that it may be because I disabled Media Storage, but with Media Storage I have just as many problems, it drains my battery like crazy, it causes things to load up extremely slow when accessed through the computer, if a folder has a hundred files for example, it will take almost twenty minutes for them all to load up, and you can't do anything until they do, and if you try copying something into a folder without going into it you'll just be stuck in an endless loop of copying that never ends.
But without Media Storage everything loads up just as quickly as say an SD Card, so said 100 files only takes a few seconds.
And worse thing it caused, which troubled me for a long time before I found out what caused it, at random the media storage would decide to claim 20gb's of space, saying it was all taken up, when it isn't. And it would keep happening at random times, and at random sizes. Near the end it had taken up every bit of free space I had and didn't change back even after several days which is what led me to looking up what was causing that in the first place.
So as you can see, leaving Media Storage enabled is a big no for me. So as such I'm unable to root and customize my tablet for that reason as well.
Now, before you say how weird it is that I have such trouble, and how you have no idea why it would happen, there is a very key reason, Technology HATES me. Trust me, more often then not when I try to do something that works for literally everyone else it fails for me, like say connecting an Xbox controller and getting it to work on my pc. Yeah, never works even after almost 5 hours of trying. So yeah, technology hates, maybe even dispises me.
So anyway, if you can help me fix the wifi, and the update problem if that's possible, I'd really appreciate it.

Are you able to get it connected to a PC?
There are tutorials on how to go back to complete stock if you haven't tried Knox I might search for what people have done before they take the their device back to the carrier. Many people want to un-root before they give up their old devices.

Getting an OTA update after installing TWRP and rooting OR use RUU?

I have an HTC One E8... I know, it's ancient... But... It's been a good phone until this past year when it really started dragging. Takes forever to do anything. A year ago, the main camera (is that the front or back camera) stopped working (phone doesn't even recognize that it's there -- flash doesn't work either with a flashlight app). Before that, phone dialing using my Bluetooth earpiece stopped working. Maybe related, but the phone doesn't work as a phone (holding it to your ear). If I'm not using the Bluetooth earpiece, it will only work on Speaker-phone mode (voice command apps such as Google Assistant and song recognition apps like Sound Hound don't 'hear' anything). Lastly, the Bluetooth has been disconnecting for no apparent reason. My earpiece will say 'Phone 1 disconnected', but when I look at the Bluetooth icon on the phone, it still thinks it's connected. Tapping the icon to turn off Bluetooth and then tapping again 'fixes' the problem and it connects again. It's just annoying when it does this in the middle of a conversation (and because, when it happens, the other party doesn't hear me yelling at them to wait because my Bluetooth disconnected because the phone doesn't know that anything is wrong). I had read ones that the Bluetooth drivers for this phone were sketchy. It's strange, though, this this problem has really gotten worse over the past couple of months without me making any changes to the phone. Lastly, the battery has really gone downhill. The phone will unexpectedly shut off around 30% battery. (I even tried the HTC battery recalibration technique -- no joy.) I chalked all of this up (except for the battery issue) to software. I thought maybe a good ol' factory reset (wipe) would fix the issues. For years (literally) it's been nagging me about a system update (Android 6.0). I never did it because the phone was already running slow and it's always screaming about being out of storage space. It hovers around 500MB free most of the time. I don't have that much installed on it. Any apps that will allow it, have been moved to the SD card.
That's the back-story to give you some insight as to what's going on with the phone. I included all of that 'other' stuff (camera and voice dialing issues) in case someone has seen them before and can offer any suggestions there.
So here's where I'm at. I decided to try to do a factory reset to 'refresh' the OS (remove all the patches and updates) and start over. Afterwards, I wanted to run Link2SD with a 64GB SD card so I wouldn't have the space limitations that I'm experiencing now after all of the apps have updated. The other night, after backing up the internal memory and the SD card, I started the process. (BTW, I have another SD card that I'm going to use that I've already partitioned per the Link2SD instructions.) After much trial and error, dead download links, incompatible versions of adb.exe and fastboot.exe I finally managed to get TWRP recovery installed. Then there was the issue of getting a working SuperSU installed. Finally did that. The phone booted and started walking me through the process of setting up my Google account. Everything seemed to go well. The phone was just as speedy as the day I got it. I was even able to restore my 15000 text messages and it was still zippy. It was wonderful! Unfortunately, the camera still doesn't work. Seems like voice dialing isn't working at the moment either. The Bluetooth issue seems to have gone away. Since the camera still isn't working, it looks like I'm gonna have to bite the bullet and get a new phone. This one will just become a 'toy' or a temporary backup phone in the event something tragic happens to the new phone. I'll just use this one on Wi-Fi only to check the weather and maybe play some games (which I had pretty much stopped doing because it was so slow and always out of storage). I would also use it as my portable media device for listening to downloaded podcasts and music while I'm running or riding my bike. It could also (maybe without mobile data) track my runs and rides, etc. As long as it doesn't get slow like it was before, I think it'll do just fine in its re-purposed life. (It was so slow I could barely play music from Google Music and have Google Fit tracking my run at the same time. It would take forever to switch screens!)
Ah, what's this?! Oh, there's that software update again. I guess I'll go ahead and do it before I start setting up a bunch of apps and tweaking the phone to my preferences. Nope! It downloads the OTA update into the Downloads folder and starts the process, but when it reboots, it reboots in Recovery mode into TWRP. I'm now finding that you can't easily do an OTA update after you've rooted your phone and put a custom recovery on it. I've seen lengthy instructions on how to put get a stock recovery.img out of the OTA zip file in the Downloads folder. I've moved it to my PC and pulled the firmware.zip file out. When I try to open the firmware.zip file to get to the recovery.img file, Windows is saying it's corrupted. I also see something about using an RUU.exe or RUU.zip file to restore the phone to stock. I've downloaded the correct RUU .exe file for my Sprint e8 in case I decide to go that route.
Here's my question... I know, finally! Since I don't have really anything on this phone since I did the reset and root, would it just be simpler to use the RUU method to blow it away and start over instead of trying to resolve the corrupt firmware.zip file issue and all of the other steps that follow? That's question #1. Question #2 is this... Will this RUU that I downloaded actually take the phone straight to Marshmallow before it starts walking me through setting up my Google account? If so, that's great! I'm all for the ease of that. I noticed that OTA download was about 250MB, while the RUU download is 1.5GB. Why such a difference? Is it because the RUU is the full-blown deal and not just the patches? I'm fine doing the RUU and then reinstalling and rooting the phone afterwards if that'll work. I still have all the files that I previously downloaded.
Sorry for the novel, but I wanted to be as thorough as possible to eliminate the back and forth "Did you try this?" "Did you try that?" However, if there is anything that I left out that would help with your answer/advice, please don't hesitate to ask. Thanks in advance for any guidance you can give a noob.
lrbarrios

Weird stuff happening on phone

Hi all, my mom has an Motorola Moto G3 phone. Have noticed many weird things happening on the phone since yesterday.
The notification panel won't slide down. Also, no notifications are displayed in the notification bar, even when there are notifications, like receiving sms or messages on Whatsapp.
The phone has a swipe lock screen. But, the lock screen won't work, even though it shows in Security settings, that there is one.
Calls are being made from the phone, but no calls are being received. For example, if I call the phone, it says that the person is busy and the connection ends. My brother had also tried calling... same thing.
No apps can be downloaded or updated from the Play Store.
I tried to connect the phone to the PC, but, since I cannot slide down the notification panel, there is no way to change the connection mode to transfer data.
I should mention that the storage on the phone was getting close to being filled, and the phone was showing the warning that storage was less and that some of the functions might stop working. So, are these things because of that?
But, I did delete a lot of photos and videos and uninstalled apps, and now there is sufficient storage for the phone to run properly, but it still doesnt work, and these weird stuff are happening.
I suspect from the weird behavior that there might be a virus. Is that so?
What do I do? How will the phone return to sanity? How do I backup the data... if the solution is to factory reset the phone. There are important photos and videos and whatsapp data which I would like to save before performing a reset.
Any help will be appreciated.

A lot to cover there.
First Long press the power button whilst the phone is on.This will reboot to Safemode.See if you can now use a USB Data cable to backup what you need to your PC/Laptop/Tablet.
Note:Some USB cables are,"Charge Only" so check the USB cable is Data transfer capable.
Then if you have a Google account and are connected via Phone data or WiFi go Settings/Accounts/Google and untick and re-tick all sync options to make sure all your Google stuff is updated.
Then do a,"Hard Reset/Factory Restore.
Just put Moto G3 into youtube with the words Hard Reset,
https://www.youtube.com
Although a Hard reset seems like a big move I do one at least a couple of times a year as a kind of 10,000 mile service for my Android phones even if they are running well and it clears out all the junk I tend to accumulate and keeps them slick,fast and problem free.
HTH

Thanks a lot for your reply. Your post comes as a lifesaver.
I took a backup of the data by transferring stuff on to the SD card and then transferring the data from there to the computer.
I had booted in safe mode, but there too the phone showed same behavior. I also noticed that the home button, or the task manager button were not working too.
After taking the backup, I also changed the password for the Gmail account for security, in case the mobile was somehow compromised.
Then I wanted to do a factory reset, but the button seems to be greyed out, and there seems to be no way to perform a soft factory reset. So, your post comes at the nick of time to save me, as I was thinking what to do now. Thanks a ton!

Performed a hard reset of the phone, and the phone is working fine now. Everything is normal.
What might be the reason for such behavior though?
Not being able to lock the phone, install/update apps, factory reset... all this makes me think if it was some kind of malware.
Another reason I can think of is that the storage got full, and so these strange stuff started, but it should go back to normal when stuff was deleted and sufficient storage became available. Still, doesnt explain why lock wouldn't remain.... and other stuff. Really weird.

Modern,"Smart Phones" are very complex computers.With so many apps on them that get updated some updates don't always play nice and mess up the phones.You could spend hours tracking down a single app that might be a cause of a problem.
As you say as well the the storage on the phones might well have got clogged up with old Temporary data that has not been cleared out as it should.
For future reference another trick is to wipe the Cache partition from Recovery mode.I would have suggested this first but as you said space was running out it's best to have a clean start

Yes, it was good to have a clean start with the phone.
Thank you for that trick to wipe the cache partition from Recovery mode. Will keep that in mind.
Thanks a lot again.

Random app crashes and problems

Hi, I have a samsung galaxy tab s2 the 9.7 inches one, but lately some apps have been crashing or having errors, chrome for example throws that snap somethjng wrong, perfect viewer sometimes gets stuck on an image and I cant chnge it, but all menus work, several apps keep crashing as well.
I have it with official firmware, never touched it, its rooted with magisk since before the problems started, apps that use root are file explorer, vanced manger and an app to disable some samsung bloatware.
I dont know how to troubleshoot android, on pc I would check memory and hdds, but theres nothing lkke that kn android that I could find.
I think it could be memory or storage, but everything Ive downloaded or copied/moved hasnt have any problems or errors. Or something is corrupted in the system, or I dont know what else or how to check.
What would you recommend to fix it? Hopefully starting with less drastic, as in less data loss, factory reset, flashing an original rom or somethjng.
The device is aSamsung galaxy tab s2 9.7 with android 7 with lean launcher.
All help is appreciated.

I believe this were an common issue for Android 7 and below !
and you have an old device and android which I believe it's no longer supported by the most of developers.
try to flash any custome roms & kernels if available.

If apps are randomly crashing then the reason might be it's caused by an update of Google's tool called Android System WebView.

Abdullah.Csit said:
I believe this were an common issue for Android 7 and below !
and you have an old device and android which I believe it's no longer supported by the most of developers.
try to flash any custome roms & kernels if available.
Click to expand...
Click to collapse
But it hasnt happened before until now, what would it fix using a custom rom instead of the original?
jwoegerbauer said:
If apps are randomly crashing then the reason might be it's caused by an update of Google's tool called Android System WebView.
Click to expand...
Click to collapse
I had that problem with my phone, my tablet never got that update.
Thanks

Clear system cache...

Wiped dalvik and system cache, but still having the same problems.
Thanks

totopesce said:
Wiped dalvik and system cache, but still having the same problems.
Thanks
Click to expand...
Click to collapse
Try using the stock launcher.
See what apks are running and cached right when this happens is it may give you a clue.
I would completely backup all critical data now.
Android is normally very stable.
Scan with Malwarebytes. If you can't find the root cause, suspect a virus, rootkit etc.
This is rare but can happen.
Karma Firewall can help you to see what's accessing what and how often. It uses almost no battery or resources, freeware, adfree, a near perfect little app.

Cant remove lean launcher it gets stuck in android is starting and it doesnt let me change to stock, installed nova just to check if it was lean and still the same problems.
Installed malwarebytes, had to run the scan several times cause it kept crashing, it completed and it didnt find anything.
Installed karma firewall and will see if I find anything.
Thanks

totopesce said:
Cant remove lean launcher it gets stuck in android is starting and it doesnt let me change to stock, installed nova just to check if it was lean and still the same problems.
Installed malwarebytes, had to run the scan several times cause it kept crashing, it completed and it didnt find anything.
Installed karma firewall and will see if I find anything.
Thanks
Click to expand...
Click to collapse
Figure out how to get the stock launcher back.
Any 3rd party app you can't uninstall is already malware. Check Device Administrators to see if it's registered there. Nova is no saint either.
If you can't resolve it error on the side of caution that it is malware and nuke it. Sometimes you never find out which one it was... getting rid of it is all that matters.

Sorry, what I meant was that after uninstalling it it got stuck in androiid is starting, somehow I lost the stock launcher, so it got stuck with no launcher. Found the launcher that came stock, installed it and uninstalled the other 2.
Apps are still crashing, I deleted all apps that I dont really use.

totopesce said:
Sorry, what I meant was that after uninstalling it it got stuck in androiid is starting, somehow I lost the stock launcher, so it got stuck with no launcher. Found the launcher that came stock, installed it and uninstalled the other 2.
Apps are still crashing, I deleted all apps that I dont really use.
Click to expand...
Click to collapse
Lol, that can crash it for sure.
See if you can find a common apk between the effected apps. Any recent system app updates?
New or uninstalled apps?
A system apk may have gotten corrupted.
Android is pretty good compared to Windows when uninstalling apps but occasionally a poorly designed app will screw it up.
It's just about factory reset time or your equivalent.
If it an old load that's probably best anyway.
I haven't reloaded in almost a year but I'm ready to go at any time.
Takes me about 2 hours to get it back within 99%. All the data I need for a full restore is on my SD card otherwise it would an additional 6-8 hours to restore the SD card data as well.
If you don't have a complete reload plan that saves all your critical data no matter what, implement one now before you get burnt.
Those stories are too common here

Dont remember when it started, cause at first it was one app from a github that was having problems, then yesterday magisk started and when I got that working it all when to hell.
The app that I use most has a backup/restore file that I saved on my sd, what do you use to backup/restore?
I would think that some backup solution could bring the problem back or am I mistaken, like if you fully restore something corrupted it should still be corrupted?
A factory reset could be corrupted as well? I mean after a factory reset, assuming its software, could it still have the same problems?
Though I dont really have any critical data on the tablet its mostly for browsing, youtube and reading comics. Still its a bother to re configure everything xD. IIRC I think its only been factory reset once.
Thanks.

It's unlikely the factory reload image is corrupted.
The current one your using likely is.
Other than apps that allow you to back them up like Poweramp or perhaps bookmarks, most app data I would write off just in case that was connected to the current issues.
None of my database is on internal memory except DCIM and downloads (both I back it up at least monthly). Critical apps like Poweramp are backed up on the SD card as export backup files.
The Poweramp setup would literally take a week to recreate. Most apps you can throw together rather easily.
All the SD card data is then again backed up at least twice to other separate drives.
I will try Samsung Smart Switch to restore home settings and see how it does on the next reset.
If you issues are of unknown origins being conservative about what you allow on the new load could save you more time in the long run.
If you unintentionally import corrupted data you'll end up doing it over again.
Or do so if the reload time isn't that great and is an easy write off for you.
Fun times... especially if the reload doesn't fix it

Did a factory reset and problem solved, took me less time than I thought to get my most used apps ready to go.
Thanks for the help.

totopesce said:
Did a factory reset and problem solved, took me less time than I thought to get my most used apps ready to go.
Thanks for the help.
Click to expand...
Click to collapse
Yay! Success!
And a minty fresh OS load.
Load apps and especially updates over time to see if one these were the cause.
Forced reloads are rare but they happen usually caused by a rogue app screwing up boot or a malware infection. Otherwise you can usually track down the root cause which is preferable to avoid it from happening again.
Lazy techs misuse factory reset a lot

Will do that, install apps just as I need them and try not to instal a bunch at once.
I had a problem with an sd card and sent it to samsung, they did just that factory reset it and gave it back with the same problem, and they dont even let you know so you can back your stuff up, just lucky it was fairly new at the time and I had the sd card with me.

totopesce said:
Will do that, install apps just as I need them and try not to instal a bunch at once.
I had a problem with an sd card and sent it to samsung, they did just that factory reset it and gave it back with the same problem, and they dont even let you know so you can back your stuff up, just lucky it was fairly new at the time and I had the sd card with me.
Click to expand...
Click to collapse
Sammy tech support sucks.
I'm using the Lexar .5 tb V30 card, just format in phone and it's good to go. Zero issues for $64.
Been using it for over a year now. Play movies and music from it all the time from it flawlessly.
Been using Lexar flash cards for over 15 years and all cards are still functional. No failures or card related issues at all. I like that brand a lot.