Develop Bugs

[Q] WiFi not turning on and other problems

A relative has recently given me there Note 10.1 2014 LTE (Model number: p605) which is currently encountering some issues, in the hope that I will sort it out for them. The issues are all to do with the WiFi.
The device has absolutely no modifications, and running the stock ROM. Here is a screenshot from the "About" section:
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The problem is that WiFi sometimes refuses to turn on. You slide the toggle, and then it just turns grey:
After a minute or so, it will then return to the off state. The funny thing is, rebooting the tablet will temporarily fix the issue, allowing WiFi to be turned on again. However, once idling for a few hours, the issue will return.
My relative says that this issue never happened on JB, but only started happening once upgrading to KK. So my question is: have any other p605 owners experienced this? If so, how did they fix it? If nobody has experienced this, could anybody recommend a good way to fix this? I was thinking about a factory reset, but this should be a last resort, as they really don't want to loose all of there data!
Thanks for the help!
Sent from my Nexus 7 2013, Running Android L

Battery drain problems

My gpad the wifi version running Android 4.4.2 got problem in retaining battery. It drains about 4 to 5 percents of the battery when the pad is in idle for about 10 hours. The pad is new so i don't think is the app i downloaded that is causing the problems. It must be something have to do with the manufacturer. Are you folks having the same problems? May be i need to flush it and reload the android to get away the apps installed by the manufacturer. Any ideas? Thanks.

Sound better than average to me (I've had quite a few tablets&phones ... but only have this GTab for 2 days).

that is actually quite good,mine use to lose 10+%.got it to only lose about 2-3% by using clean master.just kill everything when i go sleep.give it a go.

Thanks will give it a try. There are just too much possibilities here. Need an expert to figure it out.

Download App Ops Starter from playstore. Look for apps that keep your tablet from going to sleep and turn off that setting. Also you can turn off their ability to spy on you.
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WIFI Problem

I am connecting wireless clearly. you can see at image, but I am not connecting internet. When I start wifi, the phone showing its status connected.
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As you can see, uploading arrow is active but downloading arrow not.
I should say that I tried a lot of way to fix wifi but I couldn't. In addition I was connecting wifi before.
I wanted to try this rom Diamond Rom v7.0 L but I did not like it, after that I installed my previous rom Dr.Ketan Custom ROMV14 , I came out this problem.
I tried
*I install rom again
*I tried another rom
*I used N7100_wifi_fix_for_old_bootloader from dr.ketan
*I tried another wireless network.
*I tried *#0011#
*I made securestroage false from buildprop
WHAT CAN I DO?
HELPPPPPPPP

Try wifi analyzer. Just select the best channel over which your wifi gets more strength . It may help. I was facing some different type of wifi problem but it helped.
https://play.google.com/store/apps/details?id=com.farproc.wifi.analyzer&hl=en

From my note 2
I am ganna try. Thanks a lot.

Wifi Problem - SG Ace 2x (GT-S7560M)

Hello everyone,
I'm in desperate need of some help here.
My wifi suddenly stopped working and im not quite sure how to describe it so ill post a photo.
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But when the wifi does successfully turn on, it cant find any networks, it just keeps on scanning.
Please help.
Some additional information
Rom: Stock SG Ace 2x (GT-S7560M)
Phone is rooted.
I've tried everything I know that might have fixed the problem...this means factory reset (data/cache wipe), reflashing the stock rom and turning the phone off and removing the battery for a few minutes.

Update: This morning, I turned the phone off and took the battery out and left it like that for around 14 hours and when I put the battery back in the wifi was able to see networks and connect for approx 15 seconds, then it turned off again. Halp please..

I noticed that removing the battery for prolonged period of time would return the wifi to a functional state for at least 1 minute before all the networks disappear and it cant connect to the wifi again.. what do you think this means??

Letv X800 Ruschrom Gps problem

I did just install the latest ruschrom (15s) to my letv.my gps isnt working,its just jumping some other locations lately,but never using in real time.I try to do this method but it isnt working either;
http://www.xda-developers.com/gps-lock-faster-xdatv/
In gps test application,the phone says in view "16",but in use "0",also GPS Status says "No Fix".I added this picture.What should i do?,anyone have solution?
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I have the same problem with any other ROM. Sometimes even no location through wifi/gsm. Turning off/on sometimes helps. I have now CyanogenMOD 12.1 and GPS is not working... Hardware failure? I heard it is a common problem with this device....

I didnt know that gps problem was common.I did using cuoco92 without any problem(gps was working well) that except for battery,batter be like 2 hours max. on screen.I changed this rom because of this.Dıd you use cuoco92? maybe the newest version of this has better battery life and no problem with gps.Thanks for reply

my letv x800 with cuoco92 is equal
gps no fix... I have cuoco92 in my letv x800, Ido not search a solution for this problem! =/
someone help me?