Xperia Z connectivity issues

[rozhy2k]

I have two issues I would like to get some feedback on:

1) When I just bought my Xperia Z, there were no connectivity issues and everything worked just as it should have. After the first update, the phone started to  have trouble with connecting to mobile network data services (GPRS/EDGE/3G/HSPA), despite the fact that the signal was strong and there is a mobile data service in the area. To correct this issue, I have to turn my WiFi and mobile data off and then turn the mobile data back right on. Mobile data is then magically appears and works without a problem. Also, if I do not turn the WiFi off, this trick doesn't seem to work. Once again, this issue appeared only after the first update. The second update didn't fix it, as I was hoping.

2) "Location based Wi-Fi" feature seems to connect to WiFi only when I turn on phone's display. Before I do that, the phone seems to stay on a mobile network data connection, no matter how long I have a working WiFi available in the area. Combined with a the first bug I've described, this often puts me to a state with no connection at all without me even knowing it.

Those two bugs are really frustrating and annoying, making me considering changing the phone.

Please advise on how to fix those issues or would there be a fix in the next update?

[shoryu]

Same Problem here. Mostly I recognized the issue, when using the stamina mode.

In my opinion, the issue is far more than annoying. Why using a phone with mobile data feature, when you can't use it?

I also need a fix immediately. Thanks in advance!

[Arjun]

Which firmware version are you guys running?

These issues have been fixed in the .253 and .307 firmwares

[shoryu]

I got the .253 FW

[Arjun]

That's strange am also running .253 and not facing any of these issues

Well you can try to reapir your phone via sony update service http://www.sonymobile.com/global-en/tools/update-service/

[shoryu]

The phone is new, branded by t-mobile. I can't imagine, that there's a failure in the phones sw. All i did was transfering the data from my iphone via the tranfer app on pc...

Additionally the PC Companion says that the phone has the latest sw.

[Arjun]

Yeah i know your frustation even when i bought the phone i faced these issues but after the updates these have been solved so the only solution is to reapir your phone as i have already explained

[shoryu]

thx, I'll try

[Arjun]

You are welcome hope it works

[rozhy2k]

I have the .253. But resetting my phone just to (probably) fix a bug is a bit of an excessive measure for me. I have some valuable app data on my phone, that may be backuped only through rooting my phone, which I don't plan to do in the near future. Does the Sony Backup Feature actualle work as in states it does and will restore my app data once I've reseted my phone?