Network Type change reboot - Xperia Z5 Q&A, Help & Troubleshooting

Hi all,
I see that Z5 always make a reboot, if we change any sim to volte.
Is there a solution to stop the reboot and network type instantly.

Related

my new nexus 5 cannot detect 3g.

what i did :
1. i went to the settings>more>mobile networks>preferred network type > 3g - rebooted my device and this does not help. and then i call *#*#4636#*#* to check my network Type. it says "EDGE"
2. i upgraded my device to lolipop.. that did not help either..
3. downgraded to KitKat4.4.4.. still cannot detect 3g. Network type is EDGE.
4. i checked the APN. it was correct and was saved properly. still it says network type- EDGE. i went to the customer support of my network service provider. they are said they dont know why my device cannot detect 3g.
5. i have tried several factory reset too.. and still the network type is EDGE.
6. tried with different sim cards. still EDGE
7. i googled about this problem and found that it is a problem of EFS corruption. im not sure about this though..some websites saying to flash the modem of this device. i have no idea how to do that.
HELP

[Q] Need Help regarding Network Mode Issues on LG G3 AT&T

Dear All,
I am having issue of Network selection on my LG G3 D850.
1st of All sorry for my English.
Intro of Phone
Phone is rooted and Lollipop stock rom installed.
My Network is Zong (Pakistan) Frequencies are following
3G = 2100
4G = 1800
Issues
At start Network mode setting was not available under mobile network but now after changing ro.build.target_operator ATT to OPEN i got these setting in Network menu but now.
1. 3G not working in this cell phone my network frequency is 2100 and this cell phone also support this but why this is not working,
I have tried to check and change WCDMA mode it is showing 850 as selected but when i try to select the 2100 message show Fail.
2. Not switch automatically to LTE/4G (but some time after restart), when i select LTE/4G by selecting Manually LTE/4G network from manual searched Network list or after restart, Cell Phone unable to receive any phone call, caller receive message like cell phone switched or unable to reach or out of coverage etc,
3. when i dial *#*#4636#*#* after opening the Menu and selecting the Phone Information this application show message "this application dose not work on this device" and it close this menu.
No issue on 2G.
I also have tried Intelli3G but it was not working on KK or i dont know how to use it now i have LP I am not able to install Xposed i have installed the different version but not working i also flash a zip file which was working on Xperia Z1 but my Cell phone Rom got issues (All time message show LGSmartwatch (or something like that) stop working), so i again install LP on device.
I am New user of LG G3. please guide me
@wajeeh.ihi dial 3845#*855# on ur phone then select lte only then select modem settings then RAT SELECTION Then choose the 1st option which has lte auto in the end. Ull have to do this everytime u restart your phone to use 4g lte.
Hello wajeeh. need your help in editing that buildprop file. I managed to do it on stock lollipop rom but now i forgot.. Can you please help me out .
Thank you

Not automatically registering on network (CM 12.1) (VirginMobile UK)

Hi, I'm on CM 12.1 and my OPO won't register on networks at boot (I'm on Virgin UK). I have to manually go to Mobile Networks > Network Operators and select EE (which is a network Virgin uses). After that everything works fine, I have network and data. But if I connect to WiFi, data will be lost when I disconnect and won't come back unless I manually register to the network again. Also, network will drop much more often since I only use EE and the phone won't automatically connect to other networks. If I go to Mobile Networks > Network Operators > Choose Automatically the phone disconnects from network and I get "Emergency Calls Only".
NOTE: The SIM works in another phone without problem. However, my other SIM works perfectly fine in my OPO.
CONCLUSION: My guess is that the settings for the Virgin SIM failed to download correctly. I had to manually add the Virgin APN to use data (which I usually don't have to).
QUESTIONS: Is there a way to reset the SIM settings stored on the phone without factory resetting? I might be wrong, any other ideas on how to solve my problem?
Thanks, Dan

Possible call fix for Sprint and other devices running P

I'm on Sprint and was never able to make or receive calls regardless of Network settings in the easily accessible options menu after flashing the P Preview.
The following fixed my issue. You can access this menu without downloading an app but I forget how so it's easier to just download the free app https://play.google.com/store/apps/details?id=com.xsquarestudio.forcelte
I had my network mode set to LTE/CDMA when first using this app, and somewhere in the middle I changed it to CDMA but I'm not sure how much that impacted the actual fix.
These were my steps. I'm not responsible for any damage this may cause to your device as I'm not sure if messing with these settings is foolproof or not.
First, opened previously linked app "Force LTE" then under "Set Preferred Network Type" I changed to CDMA only. Enabled/disabled airplane mode. This seemed to do nothing as LTE was still showing in statusbar.
I then chose CDMA auto (PRL), airplane mode on/off, didn't seem to do much either. LTE still showed in statusbar and couldn't make calls. Also "Voice Network Type" showed "Emergency Calls only" inside the app.
I then chose the 3 dot menu and chose "select radio band". I changed that to United States, without resolving problem. Then selected "Cellular 800" and this may have solved the problem, but I continued on and selected PCS, fiddled with some settings in Phones settings menu. Was finally able to receive calls and my signal indicator showed 3G. In app Voice Network Type was listed as 1xRtt. I decided to select radio band once more and chose Class 10.
Calls were still functioning fine. So I went into Main settings menu and changed mobile network from CDMA to LTE/CDMA. LTE kicked in and calls still work!
Again, these settings may only work for Sprint hence the PCS Network option, and I believe Sprint may utilize the 800mhz frequency. The app might show you different options depending on your carrier. I don't know.
Anyway, fully functioning! Woohoo!!
Android P cannot make calls
I found an easier way
1. Remove your sim card from your phone, and turn off phone
2. Insert a different Sim from anywhere and restart the phone.
3. Try using the phone to make calls
4. Turn off the phone and remove the Sim card
5. Insert the main sim card( your original Sim card) and restart your phone
6. After start allow the phone to automatically reconfigure your network
This method worked for me. Hope it helps someone out there
fidelnelson said:
I found an easier way
1. Remove your sim card from your phone, and turn off phone
2. Insert a different Sim from anywhere and restart the phone.
3. Try using the phone to make calls
4. Turn off the phone and remove the Sim card
5. Insert the main sim card( your original Sim card) and restart your phone
6. After start allow the phone to automatically reconfigure your network
This method worked for me. Hope it helps someone out there
Click to expand...
Click to collapse
Thanks, somewhat easier if ya have an extra sim.

Network Type change reboot

Hi all,
I see that Z5 always make a reboot, if we change any sim to volte.
Is there a solution to stop the reboot and network type instantly.

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