[q] lg g2 & lte - G2 Q&A, Help & Troubleshooting

I got my LG D802 from HK. Coming back to where I work ( China ), I found out it doesn't have any option for LTE (4G) in the menu or else. I googled the problem and found I can use the hidden menu and activate LTE for every time I boot my device ( it's a temporary solution as it's gone again and need to re-enabled each time I restart my device ).
So, anybody found any solution for this? I mean a permanent solution which doesn't need enabling after every restart.

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Why am I not able to "enable" WiFi on Samsung Galaxy S4 mobile. Model no. SHV-E300S?

Why am I not able to "enable" WiFi on Samsung Galaxy S4 mobile. Model no. SHV-E300S?
Hello Everyone,
I'm facing a very irritating problem with my phone. Allow me to share some background of it so that its clear.
I stay in Mumbai, India. I recently bought a new Samsung Galaxy S4 (Model no. SHV-E300S) while returning from South Korea.
I have been using the phone for a week and it worked fine until a few days ago.
I'm unable to "enable" WiFi on my phone. Whenever I try to turn it on, it gets turned off automatically within a few seconds. Below are the things I tried but none of them seemed to work.
1. Restarted my phone over 10 times. - No success
2. Pulled out the battery while the phone was ON - No success
3. Pressed *#0011# and clicked WiFi in the Menu section and turned off the "Wifi power saving mode" - Worked for 2 days and then again not working
4. Hard Reset my phone - no success
5. I did not try rooting my phone as I'm unable to do so. Tried Kings Root (through Mobile and through PC) and many other applications but rooting failed everytime.
6. Reset the Wifi settings in the Wifi section of settings - No success
7. Kept Wifi on on during sleep as "Never" - no success
The Wifi button doesnt let me wwitch it off, and I'm unable to do anything. Please help me with your expertise if anyone has a solution. Please find the details of my phone below:
Samsung Galaxy S4 LTE
Model no. SHV-E300S
Android version: - 5.0.1
Please help......
Regards,
Ratish
rattyster said:
Hello Everyone,
I'm facing a very irritating problem with my phone. Allow me to share some background of it so that its clear.
I stay in Mumbai, India. I recently bought a new Samsung Galaxy S4 (Model no. SHV-E300S) while returning from South Korea.
I have been using the phone for a week and it worked fine until a few days ago.
I'm unable to "enable" WiFi on my phone. Whenever I try to turn it on, it gets turned off automatically within a few seconds. Below are the things I tried but none of them seemed to work.
1. Restarted my phone over 10 times. - No success
2. Pulled out the battery while the phone was ON - No success
3. Pressed *#0011# and clicked WiFi in the Menu section and turned off the "Wifi power saving mode" - Worked for 2 days and then again not working
4. Hard Reset my phone - no success
5. I did not try rooting my phone as I'm unable to do so. Tried Kings Root (through Mobile and through PC) and many other applications but rooting failed everytime.
6. Reset the Wifi settings in the Wifi section of settings - No success
7. Kept Wifi on on during sleep as "Never" - no success
The Wifi button doesnt let me wwitch it off, and I'm unable to do anything. Please help me with your expertise if anyone has a solution. Please find the details of my phone below:
Samsung Galaxy S4 LTE
Model no. SHV-E300S
Android version: - 5.0.1
Please help......
Regards,
Ratish
Click to expand...
Click to collapse
This is a hardware problem or a problem within the kernel. But you say that you did a hardreset so I think it is a hardware problem. You should bring you phone back to the store and let them fix it
rattyster said:
Hello Everyone,
I'm facing a very irritating problem with my phone. Allow me to share some background of it so that its clear.
I stay in Mumbai, India. I recently bought a new Samsung Galaxy S4 (Model no. SHV-E300S) while returning from South Korea.
I have been using the phone for a week and it worked fine until a few days ago.
I'm unable to "enable" WiFi on my phone. Whenever I try to turn it on, it gets turned off automatically within a few seconds. Below are the things I tried but none of them seemed to work.
1. Restarted my phone over 10 times. - No success
2. Pulled out the battery while the phone was ON - No success
3. Pressed *#0011# and clicked WiFi in the Menu section and turned off the "Wifi power saving mode" - Worked for 2 days and then again not working
4. Hard Reset my phone - no success
5. I did not try rooting my phone as I'm unable to do so. Tried Kings Root (through Mobile and through PC) and many other applications but rooting failed everytime.
6. Reset the Wifi settings in the Wifi section of settings - No success
7. Kept Wifi on on during sleep as "Never" - no success
The Wifi button doesnt let me wwitch it off, and I'm unable to do anything. Please help me with your expertise if anyone has a solution. Please find the details of my phone below:
Samsung Galaxy S4 LTE
Model no. SHV-E300S
Android version: - 5.0.1
Please help......
Regards,
Ratish
Click to expand...
Click to collapse
Probably hardware failure. If it was software then it wouldn't work at all. But it worked and suddenly stopped working, so it's hardware.

Lost Wi-Fi functionallity after messing with phone (LG G2 F320K)

Hello guys, spent so many time for that issue that I give up researching. Long story short:
Got bricked LG G2 F320K
Performed testpoint circuit and fixed QUSBULK. Android 5.0.2 had appeared but without call ability (Can't register on network or no sim, can't remember which one exactly)
Fixed GSM by "dd"ing F320LSK_EDGE-_V3 - modem modemst1 modemst2
And everything was ok after that.
After some time Wi-Fi connection dissappeared. When I pressed "Wi-Fi" icon in notification area - it plays enabling animation in a loop permanently (Reboot doesn't help)
I've reflashed stock rom and repeated steps above - got same wifi issue. (WiFi was ok for some time and then broke)
There were also "dd" of misc partition (Do not remember why)
So, the question is "Is it hardware issue or still software? What can I do to fix this or reach problem spot"
I have fully working d802,d801 near, maybe I should "dd" one of it's partitions? Or use QPST/NV manager to fix something
Help

Touch screen Malfunction after a Screen On / Off event OR using Lock/Unlock button

Model : Yureka A5510 [not plus]
my phone was working perfectly .. no issues at all.. after JIO 4g launch. I read some of the articles to enable VoLTE without using JIOVoice application. I though to enable VoLTE.. and tried to install a firmware for my Yureka A5510.
and I hardbricked my phone. Just redlight blink on top left cornor. NO BOOT, NO FASTBOOT, NO RECOVERY
I googled. and found some article to unbrick by flashing eMMC image on SD card to bring it in to fastboot mode. (using six pins on the motherboard and key comnbination)
finally I am succeed to flash the STOCK firmware by FASTBOOT.
But I lost the IMEI, so NO network.. again googled a lot and I made the IMEI fix with the help of QXDM Tool.
now the problem is with the touch screen. it works fine after a restart untill I press the Lock / unlock button.
After Unlock the touch pointer shows on different locatoin and lower 1/4 part doesn't respond.
I enabled developer mode and enable show touch points... that tells me the location of the touch.
I AM PRETTY MUCH SURE IT IS NOT A HARDWARE ISSUE, BECAUSE IF WORKS FINE IN RECOVERY MODE(CWM RECOVERY) AND ONCE AFTER EVERY RESTART.
.. CAN YOU HELP ME .. PLEASE.
PLEASE TAKE SOME TIME AND READ IT.
I have same Yureka model YU5510A and i soft bricked my phone when i was flashing VoLte Rom. It's been 1 whole month and i haven't found any solution. i tried flashing through CM recovery and fastboot and YGDP tool but non of it works. I am so pissed off. Did you find any solution bro?

J5 prime [SM-G570F] - signal issue on secure startup

Hi Everyone,
I've encountered an issue with the secure startup feature. On boot after providing the start up pin, phone take a moment showing a unlocking animation and then load to the home screen. The problem starts after that with no signals and unable to access mobile networks option (says insert sim though the sims are identified at the sim manager). I've done restarts but no use, then check the IMEI codes and it was unavailable. I thought the EFS folder is surely corrupted and I need it to give it to service. However, after several tests and finally disabling the secure startup option got the phone back to it's normal working condition. (Please note that I've not done a factory restore yet) Does anyone else have the same issue? is it a bug?

[F320] LG logo pops up while booting before turning off

Hello. I recently bricked korean G2 (F320) after installing one of ROMs found online. After that while trying to power on the device it shows LG logo and then turn off by itself. I tried to repair it using THIS tutorial. Unfortunately I have to boot into download mode which is not working for me.
I also noticed that while connecting phone to my computer it appears as unknown device.
Is there any way to repair it? Did someone have similar problem?
Try to change your battery
Mine F320l faced same problem and you will be able to get into download mode

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