Data connection issue after reboot - Touch Diamond2, Pure Q&A, Help & Troubleshooting

Everytime I reboot the TD2, it have trouble to get the medianet working; I have to go to the "communication/data connection" and revalidate us/at&t multiple times until it start working again.
Has anyone encounter this kind of issue? Is there any better workaround or even fix?

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[Q] Fixing Wi-fi without reformatting?

Hey, in the last few weeks I've run into a very annoying bug on my phone. Wi-fi turns itself off after about 2 minutes. It doesn't actually "turn itself off" in the phone - and by that I mean that the wifi icon is still there, and I can see the signal strength, but the internet won't work.
In order to fix it, I have to turn the wifi off and then on again.
I've tried using the Wifi Fixer application, but it doesn't help. It can't seem to detect when I lose my internet connection.
I've also troubleshooted it, checking that it occurs on different routers/types of networks.
I'm sure it's a problem with my phone, but I dont really want to reformat my phone until Froyo comes (since I don't want to have to install all my apps twice).
Is there any solution to this? ;z
I'm on stock rom, JF3, with OCLF.
I have the same problem with my phone. My Wi-Fi at home works just fine, but when I go to my brother's house, I seem to occasionally lose internet connection even though it shows that it's still connected to the Wi-Fi. I have stock Bell ROM with OCLF by RyanZA. Oh, and to fix it I simply turn Wi-Fi off, and then on, and it starts working again.
Bump :x
Anyone have a solution?

Wi-Fi Not Working (Nookie Froyo)

My wifi keeps cycling between on and off on my Nook. Sometimes it will stay on, and appear like it wants to connect to my wifi, but all it does is get stuck at the "obtaining ip address" portion of the process.
What do I need to do to remedy this?
I found the same problem, I can say that the Froya rom is almost perfect for me, except the problem that the WIFI lost and cyclical on and off. I tried many ways recomeended but no luck.
If someone can help to solve this please !!!
I had this problem before, and it was because of an improper flash. I skipped a step of wiping data and cache before applying the flash.
Settings -> Date & Time -> UNCHECK Automatic
that solved most of the problem for me.. its still unreliable, but atleast it doesnt get stuck in a loop anymore.
Maybe you should delete all networks registered on your phone. in case you have chosen to remember some WiFi networks in the past.
Then turn off/on your wifi network
lito15 said:
Maybe you should delete all networks registered on your phone. in case you have chosen to remember some WiFi networks in the past.
Then turn off/on your wifi network
Click to expand...
Click to collapse
Dude way to bring back a thread from MARCH..... Why?
Sent from space

[Q] WIFI Issue?

I have a wifi issue, it keeps trying to connect to the router then says authentication then disconnects ive tried 2 different routers and checked passwords everything fine my laptop connects fine, I installed phires rom and now i have nookiecomb w/froyo, I hate to start a new thread im am leaving for a while on travel and need this fixed since im going lite =P, did anyone else have this problem and can show me a fix?
Try doing a hard reset (holding down the power button until it shuts down). It should work. I had the same problem, wifi seems to be searching or couldn't log on. Had to do the hard reset twice before getting it functioning.

[Q] Connection issue

All my apps seem to have an issue connection to wifi or data. They tell me I don't have a connection but when I tell the app to connect again it works fine. It's almost always the second time it tries to connect it works. It's not a huge deal but it's kind of annoying. Is there a fix or is mine broken?

wifi keeps searching

hi all. i am on android 6.0.1 build 23.5.A.1.291. My problem is that my wifi keeps resetting and searching. i am traveling so its not my personal router that is an issue. my tablet and laptop connect to the same routers here without issue but my phone tries to connect various open connections but immediately resets all connections and starts searching for them again. occasionally it connects for a second. the same issue occurs if is set my tablet as a hotspot so i doubt it is related to the available connections. also for some reason i don't seem to have any advanced options anymore to tell the phone to sop scanning. Any help would be much appreciated. so far I tried turning airplane mode on and off as it seems have started at the airport, reset all network connections , general powering down and up etc. nothing seems to work.
hey, i know this post is quite old yet i only found it now facing exactly the same issue. it all started at my parents when phone was suddenly not able to connect (exclamation mark on wifi icon in status bar). i restarted router but it did not help. when i came home i faced the same issue. both routers are different, different provider, etc. before the weekend all worked fine so not really sure what happened. not the phone (z3c) keeps searching for wifi, displays the list for a few secs and searches again.
i tried what was suggested in other topics, like here:
https://forum.xda-developers.com/z3-compact/help/wifi-issues-z3c-marshmallow-fix-t3390859
or
https://forum.xda-developers.com/z3-compact/help/wifi-randomly-disconnecting-575-t3435244
but nothing helped. now considering to re-flash the latest firmware. trying my luck here before i do so.
current sw on 23.5.A.1.291
update:
1) i tried to repair the phone using Sony Companion .. did not help
2) flashed it with the latest sw .. did not help
in both cases sw version was D5803_23.5.A.1.291_1288-5411_R12D. when phone starts for the first time it shows wifi networks. but just for a while, that it starts "searching for wifi networks..". when i select my wifi network, fill in the password and click connect it says "failed to connect to network". i can already see on the background that the phone is again searching for wifi networks. if i try to connect at the right moment network is saved. but then it does not connect. or sometimes it does but "checking connection" takes ages and wifi symbol in top bar keeps appearing and disappearing. at the end it shows error message "could not connect to internet".
what could be the problem?
update 2:
https://www.youtube.com/watch?v=W2BE2PRljm0

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