Setup seems to go in circles after battery replacement - Galaxy Tab S2 Q&A, Help & Troubleshooting

I have an issue with my SM-T813 after battery replacement. One issue is that it keeps rebooting unless I connect it via USB to a laptop. So without an active USB connection I will not be able to complete the intial setup because it reboots. If I have an active connection I can work but then I have another issue. It reports that a factory reset has been prevented and wants me to sign in with an existing account. So the FDR flow. That by itself is not an issue. I know the old account, enter the password, confirm via TFA on another device using this account but then it simply goes back to the login screen. So I'm sort of stuck. I cannot go to the the configuration to unlock the device for flashing an new recovery. Any suggestions? I tried different FDR bypass options but none of them seem to work.

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[Q] Phone will connect to open wifi network but not secure ones

Had my phone for a few months now and recently found that it can't connect to my secure network at home.
When I turn wifi on I get the dreaded connect/disconnect message while it constantly tries to connect to my network. If I leave it on then the battery will drain overnight while the phone tries to connect. I have an iphone which connects to the network no problem. As does my laptop etc
To try to fix this I deleted all my new apps, especially the push ones which give me news updates, etc but this has made no difference.
The weird thing is if I turn off my router's security then the phone will connect and works perfectly fine. I've tried using all the different security settings (even WPS) with new passwords etc and everything seems to setup fine on the phone except it just doesn't want to connect (or more accurately stays connected for a microsecond).
If I go back to an open network it connects immediately and stays connected.
I think this is the root cause of the wifi connection problems that many other people are getting. But I'm at a loss to try to understand why it won't pick up a secure network but works fine otherwise.
My phone is using 2.2.1 and has been rooted
Any thoughts?
I think this is the root cause of the wifi connection problems that many other people are getting. But I'm at a loss to try to understand why it won't pick up a secure network but works fine otherwise.
My phone is using 2.2.1 and has been rooted
Root the problem highly unlikely ..
Secure home network test .
Remove security from Router that is no password .
Remove that connection from phone .
Reboot phone let it pick up router and connect .
If it does then delete reset router password and add in phone .
jje
Thanks for suggested fix. I'll give it a go and let you know if it worked.
Root was a bad choice of word..... I meant that while looking for a solution to my wifi problem I noticed many other people complaining that they can't connect to a wifi network for one reason or another and I was thinking that maybe broken security is a common cause of many wifi connection issues.. In my case there was nothing physical at all to suggest that security was an issue, especially since all my other devices work fine on the same network.
Cheers
Hi, tried your suggestion but I still cant connect. The first time I rebooted the phone it knocked out my internet connection! I've setup a static IP address for my PC and the phone was insisting on trying to connect using the same address and creating a conflict. I fixed that so that's not the issue.
This is what I've tried..
I checked to make sure DHCP was enabled in the router, rebooted everything. No luck.
I tried adding an IP Address Reservation for the phone and assigning a dedicated static IP Address. No luck either
I tried connecting the device using WPS. It all went as it should - my router saw the device, added the mac address to the list of devices etc. The phone acknowledged the handshake. But again it still wont connect.
I checked the router log and it says "DHCP IP: (192.168.1.2)] to MAC address B4:07:F9:336:3D, Tuesday, May 24,2011 03:08:48" which I think is what it should say.
OK I've just fixed it!!! Or at least its connected.
All along I've been securing the network with WPA2-PSK. I just changed it to WEP and the phone connected immediately. I hadn't considered WEP because I read that its not that secure and I do all my banking etc through my PC.
I've tried all the other security options and only WEP works with the phone. I suspect its a compatibility problem between the phone and my router (a Netgear WNT834B v2) because both the phone and router work independently but not very well together. There's plenty of posts discussing the Galaxy S connecting to WPA networks so it can do it.
Now, after trying all the other security options. It won't connect again even on WEP. Bummer. It is acting slightly differently in that its trying to acquire an IP address instead of simply not connecting, although it doesn't seem to be able to find one.
I need to try this on a friends network and see if the router or the phone is to blame. I've no idea... but the phone's a bit too touchy for my liking
I had a similar issue, I had to reflash the ROM to get it to work. Backup all your contacts and stuff and then do a full factory resetting. See if that helps, if it doesnt, reflash the ROM. It should work.
Well I've spent the last few days looking into this issue and it's considerably more widespread than I first realised. The problem is that while many people have a wifi connection issue we all seem to have variations on a theme.
As I say in my case the phone will connect and stay connected to an open network but won't touch a secure one. I tried many suggested fixes and nothing's worked so I am now trying a factory reset.
A couple of questions: there appears to be two ways to do this, a factory data reset through the phone menu; and a hard reset using a combination of volume buttons, etc. The hard reset seems to be the deeper of the two.
When you say full factory setting which one did you mean? I am currently data resetting and therefore using the "authorised" Samsung reset
But how long does this process take? My phone has had a black screen and been vibrating every 10 seconds or so for the last hour. It's getting quite hot and there appears to be no end in sight. Has the phone hung or something? If it has how do I get out of this without bricking the phone? It's beginning to concern me because I'll have to do something real soon.
As an aside, in my search for a solution I found something that might help someone people (it didn't work for me). According to the bloke who posted it, the problem for everyone is that the wifi drivers have not been installed properly and if you enter *#*#526#*#* on your keypad it unlocks a service access that reinstalls the wifi driver. I tried it and the phone told me the software was installed successfully but no change.
Waited long enough so pulled the battery out and restarted the phone. I get the startup screen but after that the screen goes black and it vibrates again every ten secs and I can't get in.
Have to try the other reset.....
Things are going from bad to worse..
Have managed to start a full factory reset using the volume, power and home button but it's gone back into the black screen and vibrating every ten seconds.
I know Im going off topic here but Ive now reset the phone, wiped the cache, tried to apply the sd card update (aborted because it can't find the directory) and it always comes back to the black screen and vibrating every ten secs.
Am now trying to reflash the rom. Oden reports that the flash was successful but the phone wont reboot. I tried a couple of times - one with Re-Partion checked and the other unchecked but neither will reboot. What could be causing that? I somehow remember that my firmware was JPH but I could only get hold of JPK. Could that be the cause?
I seem to have solved all the issues at last. Thought it was going to be a bit over my head for a spell.
Once I discovered that the only way I was going to get into my phone was by flashing the rom the first problem I came across was I didn't know which firmware my phone was using previously, apart from the fact it was 2.2.1 and from Asia. I guessed wrongly and after "successfully" flashing the phone it wouldn't reboot. I then noticed that there were only three variations of the 2.2.1 firmware for my region. The second one I tried went a little further than the first but I got an error message about the SD card. The third one installed no problem.
So I instantly checked the wifi signal and the phone connected to the secured network. And stays connected - so far about an hour and a half.
It's amazing how the phone deteriorated the way it did. Hope it doesn't do it again.
Thanks for any help/suggestions

[Q] google account not connecting

Hello! i have an experia z (obviously) and a long while ago i changed my password on my google account. A few days ago, i was doing something (i dont remember what) and it said that it cannot access my google account. so i went into settings and removed the account and tried to relog in. but now all im getting is a screen saying it cannot get a stable connection to the server and asks me to use wifi for more stability. Sadly, i was already using wifi so i still went through the guided setup to select my wifi and try again. still didnt work. so i turned off wifi and used my 4g and it still wouldn't let me log in. So now im trying to troubleshoot ways to log in because i have none of my contacts and stuff like that.
it still lets me log into the account in the browser window and in the gmail app and in the email account setting in account. just not in the guided setup for making it the primary account. (i tried to add it as email and sync to think "just maybe it will work" but it only syncs emails :X)
my device is rooted and using stock rom
Here are things I've tried to do (some are from suggestions online that aparently helped others):
Reboot phone
remove data/cache from google play store
uninstall updates for google play
unchecking auto time
checking auto time
making sure time is right
checked for software updates
restarted phone, took sims card out and tried logging in
tried to log in through youtube app (which goes through the says black screened log in guide)
turned on airplane mode, turned off phone, turned it back on, then tried wifi and data again.
and i think that is all i have tried. But it tried alot of things so im not sure. Once again. i can log into the account on my phone in other places just not in this black windowed log in guide and yes im typing in the right password and username... i can add pictures if needed.
Bump also tried factory reset and going to website and did the trouble shooting guide. Still nothing
Bump threw phone at wall and drowned it in tub. Still not doing it
Also I called customer service. And like I assumed, all he did was tell me to reset cache and data and restart device. Then asked if I could try to factory reset and then couldn't find any other solutions. So im stuck

[Q] Problems with Google Accounts after Updating with Root

Hello!
The other day, after updating my Phone to ATT's latest firmware, I realized my root access had been removed. That was the least of my problems, however. I then realized that I couldn't use the Google Play store, as an error would show up saying No Connection. I learned it was a problem with freedom, so I attempted to fix it, but instead settled with wiping my device to get a new start. After backing up my data, I performed a factory reset, and began setting up the device.
Basically, what I'm building up to, is that when I attempted to sign in, an error came up saying Can't establish a reliable connection to the server. I have tried using 2 different WiFi connections and cellular data. I performed a factory reset both through the Samsung settings, and through the Android "Terminal" Accessed through Pressing Home and Volume up during start up. I have nowhere to turn! What can I do to regain connections to the Google servers, or convince my phone that it can connect?
Finncowbell said:
Hello!
The other day, after updating my Phone to ATT's latest firmware, I realized my root access had been removed. That was the least of my problems, however. I then realized that I couldn't use the Google Play store, as an error would show up saying No Connection. I learned it was a problem with freedom, so I attempted to fix it, but instead settled with wiping my device to get a new start. After backing up my data, I performed a factory reset, and began setting up the device.
Basically, what I'm building up to, is that when I attempted to sign in, an error came up saying Can't establish a reliable connection to the server. I have tried using 2 different WiFi connections and cellular data. I performed a factory reset both through the Samsung settings, and through the Android "Terminal" Accessed through Pressing Home and Volume up during start up. I have nowhere to turn! What can I do to regain connections to the Google servers, or convince my phone that it can connect?
Click to expand...
Click to collapse
Since you've already wiped your phone and don't have to worry about losing data I would just reflash the firmware.
http://forum.xda-developers.com/showthread.php?t=2892445
Devo7v said:
Since you've already wiped your phone and don't have to worry about losing data I would just reflash the firmware.
http://forum.xda-developers.com/showthread.php?t=2892445
Click to expand...
Click to collapse
Thanks, Trying it now, I'll respond with the outcome.
It worked great, thanks so much!

Wifi password forgets at random or when radio is switched off.

I just got a note 5 from my local carrier(GCI) and Im having a weird issue where if I turn my wifi radio off then I have to re-enter my wifi passwords, sometimes it will happen at random.
Does any know of a fix for this? I tried doing a factory reset, running in safe mode, using the phone without signing into anything but nothing seemed to have worked.
So I was able to rule out any third party software and my google backup reseting the wifi data to blank.
I went and asked them about it and they told there isn't much they could do other then to get a different phone because if I get another note 5 then I will most likely have the same problem because they had someone else complain about it.
My assumption is the problem is software, the rom is by a company by fastbootmobile at least that is what the update page shows.
My next step to fix this was to root and install a custom rom but I want to be sure the problem is software and not hardware.

can't connect to google after April update?

just wanted to see if anyone has experienced anything similar. After receiving the fingerprint fix update, the phone no longer connects to Google.
tried:
removing then adding google account (web browsing works at this point)
reboots
factory reset
after a reset, i can connect to wifi but then it just gets stuck on looking for updates, even before sign in is possible.

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