Lenovo K900- Network Bar Is Showing Cross Sign - Lenovo K900

My Lenovo k900's Network bar is showing cross sign!
Here's the screenshot of my problem.
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I tried the *#*#4636#*#* menu to fix this problem.
Network was up again when i turned off radio from that menu.
But from last night even this solution was not working anymore.
When i turn off the radio my phone automatically switches to Airplane mode.
Please help me out to fix this problem.
- Thanks in advance!

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Few weeks ago I rooted and update my new XperiaP to stock ICS (6.1.B.0.544) and everything was working just fine for some time.
Then one day I noticed that the Wifi doesn't work correctly - once connected to my home network it doesn't switch anymore to other
networks, Wifi switch doesn't work at all when I tap it moves to the OFF position but the icon on the status bar never disappears and when I
enter the menu again the Wifi switch is On. So I can switch to another network only after restart
After restart everything works fine...After that I noticed I have same problem with 3G - I can turn it ON only after restart otherwise even if the switch
shows it's on it actually isn't.
I don't have any exotic apps installed before that issue happened - the only think I remember I did was to activate 3G package from my provider.
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[Q] Getting "No signal, limited service" Notfication

After flashing Paranoid Android on my One, I decided to back onto ARHD 10.2 (Android Revolution HD) and all of a sudden, I'm getting this notification that says "No signal, limited service". No service at all. Note: I did a complete full wipe and everything before flashing back. The only way I can remedy it is by turning Airplane Mode on and then back off. After it says "Preparing SIM..." my service returns. This always occurs after a reboot. I do notice that the network mode defaults to GSM/WCDMA auto. I already tried going under Mobile Network Settings and using *#*#4636#*#* to toggle the preferred network, but it keeps going back to GSM/WCDMA auto. Any ideas on what I should do? Thanks in advance.
hi, i have the exact same issue with the HTC one international edition. have you found a solution?

[Q] WiFi locks turning on, cell signal lost (sometimes comes back, or needs reboot)

Hello, folks!
I have a rooted I9100 (Android 4.0.3 stock from Vivo, baseband I9100VILP3, kernel 3.0.15-I9100VJLP7-CL371396 [email protected] #3, compilation IML74K.VJLP7, CSC I9100UVILP3).
Sometimes I have problems turning on WiFi, it keeps always turning on and neither become active nor allow me to turn it off again. I then need to reboot phone to fix it (when it reboots, WiFi comes turned on and gets on normally).
Another problem I have with it is that sometimes (average of 4 - 5 times a day) phone loses registration with carrier. It completely loses* signal and shows a "prohibited" icon where signal strength is shown at status bar. (Edit) Sometimes it comes back again in a few seconds and sometimes it stays at that state, making me have to reboot it to fix the problem (turning on and off airplane mode doesn't work; in fact, with registration lost and trying to use airplane mode, it doesn't turn off and only fixes with reboot).
*Actually, it doesn't lose signal (can be seen in "settings - about phone - state" screen uploaded), but only unregisters from carrier.
(Edit: screen/phone language is Brazilian Portuguese)
I've downloaded another modem driver but never had time to test it.
I don't know if both problems can have the same cause, but both of them are very annoying (especially signal loss) and I'd like to make some tries to fix them, so if anyone knows what can I do (even data collection to investigate them), your help is very appreciated.
Thanks
Additional test (ServiceMode)
When I was in the forum to post this thread, I've noticed this other thread and I've decided to use ServiceMode code (*#0011#) to investigate further at the next time my cell lose signal. Unfortunately, it showed absolutely nothing. Literally nothing (just "ServiceMode" caption and no text on the screen below).
I just spent the time to post this because I know that, even if it has shown no information (on screen), maybe it still can be a clue for the cause of the problem.
Thanks
Pls help!
Does anyone have some light to shed on this case?
Please, I do really need to fix it, at least the signal loss problem.
Thanks.
Same Issue in the US on Tmobile
Mine started doing this just a day or two ago. Exact same issue. I can kind of operate on the EDGE network but 4G fails, only WiFi seems to work. T-mobile doesn't seem to have a fix for it.
Changed to MIUI
I've just changed to MIUI (reflashed modem also – now it is ZSLPE instead of previous VILP3).
I still have issues with carrier register loss, but until now it always reconnected after a few seconds. Maybe it is a carrier issue and not a phone one.
I don't turn on WiFi a lot, but all times I've tested it, it worked well.
Another thing I've noticed with this change is that battery temperature while charging used to reach 48°C (118°F) or even 50°C (122°F) while battery level was low (less than 50%), but now it stayed around 35°C (95°F), which is completely acceptable.

How can I turn 3G radio on/off?

I was going through some of the hidden menu items. and now the 3G radio is not turning on, or at least not showing up in the notification area. There was the one service mode code that turned off the radio and then the other one that turned on, but it is not turning on. I hope this gets read, because I know this is an older device, but maybe another Samsung code will work from another phone.
jobzombi said:
I was going through some of the hidden menu items. and now the 3G radio is not turning on, or at least not showing up in the notification area. There was the one service mode code that turned off the radio and then the other one that turned on, but it is not turning on. I hope this gets read, because I know this is an older device, but maybe another Samsung code will work from another phone.
Click to expand...
Click to collapse
It may vary depending on what ROM you're running,,, but I've always used : *#*#4636#*#* in dialer,,, then tap phone,,, scroll down tap radio on/off

[Somewhat Resolved] LGG3 wifi and hotspot not working

When I turn my wifi on, it does nothing. My hotspot doesn't work either. Problem started last week after I switched into airplane mode.
What I've tried:
-reboot phone
-cycle wifi and airplane mode
-clear cache and data for Android and Google processes
-reflash zv8 modem
-factory data reset
-wifi fixer android app
Nothing has worked so far. The only hardware change that i made was to replace the audio [headphone] jack and replace the battery with another brand new OEM battery.
LGG3 LS990
Sprint
Stock ZV8
Nova prime launcher
Stock kernel
Bumped and stumped
TWRP recovery
Any help would be appreciated.
I was able to resolve this issue. Apparently, there is an issue with the wifi and airplane mode on the lgg3 with lollipop 5.0. I found some other folks having the same issues on a t-mobile msg board.
What I did to resolve:
Turn wifi and wifi calling on.
Turn airplane mode on.
Long press wifi to view access points and wait for them to appear.
Disable airplane mode and select access point.
Problem solved.
In my case, it was absolutely a software issue. I will update if this issue returns.
Issue came back after an incoming call. Unable to get wifi back on using method stated previously. Still trying to mess with the phone.
Dangit.

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