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**pocaropa** · 2014-08-13, 04:04

Sometimes after flashing or a factory reset something go wrong and loose data on nvram. For sure you have loose your IMEI. You can try mtkdroidtoools (IMEI repair).

Check this tutorial:
[Only registered and activated users can see links Click here to register]

**Nah** · (This post was last modified: 2014-08-13, 15:01 by Nah.)

I did it. Without success
I restored your NVRAM and another's people...without sucess

**pocaropa** · 2014-08-13, 11:35

I supose that after restore from backup you have done a factory reset. In my device I have to do factory reset 2 times because wifi does not turn on.

I don'y know exactly what happens...Rom works properly?wifi works? When connect to mtkdroidtools...shows imei number....

I want to help you. If you need I can backup my IMEI with mobileuncletools app and you can try to restore from this.

**Nah** · (This post was last modified: 2014-08-13, 15:20 by Nah.)

Rom works properly. wifi works. bluetooth works. Mtkdroidtools shows IMEI null

give me, please, your mobileuncletools imei backup...maybe it'll help, i hope....

**pocaropa** · 2014-08-13, 20:30

(2014-08-13, 13:07)Nah Wrote: Rom works properly. wifi works. bluetooth works. Mtkdroidtools shows IMEI null

give me, please, your mobileuncletools imei backup...maybe it'll help, i hope....

I send you a PM

**Louis777** · (This post was last modified: 2014-09-06, 00:33 by Louis777.)

(2014-08-13, 20:30)pocaropa Wrote: [Only registered and activated users can see links Click here to register]

I´m be looking for a flash the original ROM for your Phone. In the moment I can´t give you my ROM backup. There is inside all my pers. Identity and IMEI´s from my Phone. I´m look for solution for you. Please take a while - I´m 2-3 times in the week in Hospital for Therapy.

Later I give you more Space for your Internal Storage. In the Moment it is only 1Gb. I have found, how to increase the internal Storage to 2.5 GB - 1.5GB from Fat-Partition. Fat-Partition you don´t use. I have about 200 Apps installed. The Phones runs without hangs. One of the Best is the Battery time - about 2-3 days.

Greetings

Louis777

Listen: I have tried - I think about 10-12 Lenovo A850 ROM´s. Only the AOSP-ROM works. And here, I changed the boot.img, that the Phone would be start. The ROM is not bad - all the Storage Size displayed correct. One misstake: The Cam doesn´t work!

**tabletfan** · 2014-08-14, 20:41

(2014-08-11, 11:23)Nah Wrote:
(2014-08-11, 06:33)tabletfan Wrote:
(2014-08-11, 00:17)Nah Wrote: Did you do factory reset?

Yes, I did it three times without sucess

I'm waiting links too

Nah
From the information you and Louis gave me I found the screen on-off effect while using the phone app is caued by an intermitent 1 and 0 proximity sensor reading in FAR position. The reading is an stable 0 in NEAR position.

I need to recalibrate the sensor, there is a proximity sensor calibration aplication however I can not find it in the market.

I have used MTK engeeniring app but it fails to set the new calibration values. I rooted my phone with Franroot.

**Nah** · 2014-08-14, 21:01

Quote:Nah
From the information you and Louis gave me I found the screen on-off effect while using the phone app is caued by an intermitent 1 and 0 proximity sensor reading in FAR position. The reading is an stable 0 in NEAR position.

I need to recalibrate the sensor, there is a proximity sensor calibration aplication however I can not find it in the market.

I have used MTK engeeniring app but it fails to set the new calibration values. I rooted my phone with Franroot.

Flash rom which pocaropa uploaded or try this [Only registered and activated users can see links Click here to register] - it's original ROM

But at first - DO NVRAM BACKUP))))))))

**Nah** · 2014-08-15, 18:43

Did anybody knock down our device?

**tabletfan** · 2014-08-15, 20:27

Nah
No one has touched the the phone but me.
I found the calibration app and atempted to install it. I get a No installed app message, it is for a different sensor I gess.

What it bugs me is why the MTK eneeniring app reads new values for near and far but does not write them

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