Mobile data not turning off - Lenovo Vibe K4 Note Questions & Answers

Hey guys... I'm having problem on my stock rom, whenever i turn off my mobile data it gets turn on automatically I don't know why this is happening. My android is rooted, if anybody knows the solution please suggest.... Thanks

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[Q] Error when turning on portable Wi-Fi hotspot

Why does there always keep being an error when I try to turn the portable hotspot on? It just says Error when I turn it on and stays off. It works again when I restart the phone. It's really annoying when I keep having to restart the phone every time I want to turn the portable WiFi hotspot on. What's causing this error and is it possible to fix without having to restart the phone?
vpwrf said:
Why does there always keep being an error when I try to turn the portable hotspot on? It just says Error when I turn it on and stays off. It works again when I restart the phone. It's really annoying when I keep having to restart the phone every time I want to turn the portable WiFi hotspot on. What's causing this error and is it possible to fix without having to restart the phone?
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Is this a carrier branded phone? I have the I9505G on AT&T and I can turn on and off the WiFi Hotspot without a problem (Even though I'm not paying for the plan, it must be skipping the entitlement check.)
My phone is a SIM free UK phone on 3's The One Plan that allows tethering. It just immediately disables the hotspot when I enable it and says Error when I go into the hotspot settings. Video: https://i.site647.com/SCR_20131005_161447.mp4
Did you managed to fix this?
vpwrf said:
Why does there always keep being an error when I try to turn the portable hotspot on? It just says Error when I turn it on and stays off. It works again when I restart the phone. It's really annoying when I keep having to restart the phone every time I want to turn the portable WiFi hotspot on. What's causing this error and is it possible to fix without having to restart the phone?
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Can you turn on WiFi only ? My Hotspot behaved exactly the same/
I could not do so either on a modified TW, but it turned out to be I flashed wrong kernel version. Flashed correct KT kernel and WiFi and hotspot came back.
SVLAN said:
Did you managed to fix this?
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No. I don't know whether or not it's an app I have or what that causes it to stop working until I restart the phone.
gaww said:
Can you turn on WiFi only ? My Hotspot behaved exactly the same/
I could not do so either on a modified TW, but it turned out to be I flashed wrong kernel version. Flashed correct KT kernel and WiFi and hotspot came back.
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I don't have any problems with normal WiFi. It's just the hotspot that I have problems with. I am using rooted stock ROM and kernel. Android 4.2.2 and firmware build number JDQ39.I9505XXUBMGA
vpwrf said:
No. I don't know whether or not it's an app I have or what that causes it to stop working until I restart the phone.
I don't have any problems with normal WiFi. It's just the hotspot that I have problems with. I am using rooted stock ROM and kernel. Android 4.2.2 and firmware build number JDQ39.I9505XXUBMGA
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Maybe try wiping \system and reflashing the ROM. Only take a few minutes and may clear it up.
Very easy. You just have to turn on your mobile data before turning on the HotSpot, idk why does that happen, but I was really annoyed by that consequence before. I found a way and I hope it works for everyone too.
The solution that worked for me was
1. Turn on HotSPot
2. And then turn on Mobile Data
If mobile data is already on and then you try to turn on hotspot is when the error occurs.
I also have this problem on ASUS Zenfone Max Pro M1 non-root and non-modified. I have logcat reader installed on so I have so many logcat on this hotspot error (and hundred thousand of lines). I boot my phone on safe mode and the problem does not suffice so I made a conclusion that third party is the culprit and while also that may be the case, pie update might also the cause of it since I found bunch of system error on recovery mode.
Edit: The cause was on ASUS, they broke their root integrity with Pie update.

Wifi Issue

Hey everybody..
I can't seem to get my wifi to turn on at all. Every time I press the wifi widgets it just sits there and turns off. I try and do it manually same thing.. it just hangs at turning on. I've tried a factory reset and it's still a no go.. anyone else have this problem
The Bouncer said:
Hey everybody..
I can't seem to get my wifi to turn on at all. Every time I press the wifi widgets it just sits there and turns off. I try and do it manually same thing.. it just hangs at turning on. I've tried a factory reset and it's still a no go.. anyone else have this problem
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loads of peeps have wifi probs.
what's your phone model and which rom you have?
Stock Rom rooted.. SM-N900T
re: wifi issue
The Bouncer said:
Hey everybody..
I can't seem to get my wifi to turn on at all. Every time I press the wifi widgets it just sits there and turns off. I try and do it manually same thing.. it just hangs at turning on. I've tried a factory reset and it's still a no go.. anyone else have this problem
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Click to collapse
Here is the surest way to solve your wifi issue.
Download the official stock Odin flash firmware for your phones baseband and model.
The best and most reliable place to download the firmware is at HTTP://SamMobile.com
Before you odin flash be sure to:
#1: make a nanroid backup of your existing rom.
#2: Do a full wipe including factory reset in recovery.
Good luck!
tbf I would not personnally myself make a nandroid backup of a non working rom.
I'd backup anything I'd need,contacts,messages etc
make sure you use your phones propper rom that it initially came with

Wifi, Mobile Data, Bluetooth, Random restart problems

Please help.
My Samsung Galaxy S4 is not working properly. It all happened after updating to Kitkat. We did try a lot of things already and I still don't have WIFI, mobile data and bluetooth. The phone also restarts randomly.
It has been rooted. I tried modem wifi fix, I tried custom kernel and custom ROM. It has also been reset to factory. It's an expensive phone and I want to be able to use its features.
If anyone can help please.
Thank you in advance!

[Help] Can't turn on wifi

Hi there, I got an issue on the OOS 4.5.12 after 3 days of using it. I got the problem , that the button looks stuck. I can click it and it will change its own color, but it doesnt turn on my wifi. Now I know I can clean flash the update again, but In want to know if someone had/has this problem too, and if someone maybe knows a work-around.
Edit: So I tested the device furthermore and found out, that I can't turn my Wi-Fi hotspot on... Wiping dalvic/ART cache didn't work neither...
Strange.... I didn't have this problem at all.
_MartyMan_ said:
Strange.... I didn't have this problem at all.
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Same until today ? I will try to dirty flash the update, just to see if this will solve the problem. If it doesn't work, then I will be switching back to 4.5.10 OOS
Sent from my OnePlus 5 using XDA Labs
When I got this error I found out it was because I flashed new firmware and used an older kernel which didn't support the new firmware. You should read your logcat and see if there is any clue there.
Hello. Calling for help!
I have the exact same issue except i am able to launch and use WIFI. When i try to enable portable hotspot it gets stuck on "Turning on". The hotspot button in the slider shows enabling but the hotspot never gets enabled. I was on OOS 4.5.15 and upgraded to 5.1.5 after which i restored only the DATA partition from TWRP. I am currently rooted. I tried with editing the build.prop file and restarted but the issue is persistent. Any help would be appreciated.
Thanks
qureshiburhan said:
Hello. Calling for help!
I have the exact same issue except i am able to launch and use WIFI. When i try to enable portable hotspot it gets stuck on "Turning on". The hotspot button in the slider shows enabling but the hotspot never gets enabled. I was on OOS 4.5.15 and upgraded to 5.1.5 after which i restored only the DATA partition from TWRP. I am currently rooted. I tried with editing the build.prop file and restarted but the issue is persistent. Any help would be appreciated.
Thanks
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I would recommend a clean flash to test without restore old data.
strongst said:
I would recommend a clean flash to test without restore old data.
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Thank you for replying. I dug a bit deeper last night. Deleting the entire wifi folder from root and restarting fixed the issue.
I had a lot of problem with wifi after flashed a not stock rom. Nobody could me help until I find the solution. Tell me Jelly do you have mac address or it show 02:00:00:00:00:00?

No mobile network after install/restore from twrp 3.2.1.0

Hi Everyone,
I've noticed lately that after a while, whenever I restore a backup or install a ROM from TWRP, there is no mobile network connection when the device boots up. Anyone experience this or know how to fix it? thanks
Zekedw said:
Hi Everyone,
I've noticed lately that after a while, whenever I restore a backup or install a ROM from TWRP, there is no mobile network connection when the device boots up. Anyone experience this or know how to fix it? thanks
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If it's the Oreo based Android system your installing you need to disable pin lock security. If you forget before you can enable it and disable plus reboot once after and will correct the issue. Nobody knows what causes it can happen on all Oreo firmware.

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