[Q] WI-FI not working after flashing several ROMs - Moto G Q&A, Help & Troubleshooting

Dear all,
After flashing to several roms my WI-FI isn't working.
If i press ON it goes automatically to OFF.
I tried to put the nv file in /persist folder
i tried to flash back to stock 4.3 Rom (it's .DE moto g 8gb)
No luck!
Any solution? I am leaving tomorrow for a trip

surfino said:
Dear all,
After flashing to several roms my WI-FI isn't working.
If i press ON it goes automatically to OFF.
I tried to put the nv file in /persist folder
i tried to flash back to stock 4.3 Rom (it's .DE moto g 8gb)
No luck!
Any solution? I am leaving tomorrow for a trip
Click to expand...
Click to collapse
My only way of doing was installing the CyanogenMod ROM 11, it comes with a good File Manager and Super User permissions. Thus unable to find the folder and the file inside it.
I just connected the phone to PC and put the file inside it .. Then I went to the manager .. I released Super User options .. I marked the file in the main folder .. I went to the Root Folder .. After I entered "/ persist ".. pasted the file inside it .. I took a reset through the normal system settings and when he returned was already running again.
I hope it helps those who do not understand very well, just like me.
Below is the picture of how I found the folder. PS. The file is already there because I put.
Sorry for the english guys, i'm from Brazil. Google Translator!

Related

Help with a chinese model phone, A101, deleted /system/bin/sh..

Hello all,
Firs I like to apologies if I've posted in the wrong section of the forum.
As the title says, I have a Iglo A101 with GingerBread 2.3.4 phone and I accidently deleted the system/bin/sh file.
I was searching for a2sd and I downloaded it, but when running it, instead of pressing 1 - "install a2sd" I pressed 2 "uninstall a2sd", by mistake, and by the time I realized the sh file was deleted. Now the phone is no longer rooted and can't be rooted and also my Wi-Fi doesn't work anymore.
I've search the net for answer but I can't find a solution to this type of phone.
Could someone help me fix this or at least get the Wi-Fi working again?
Thanks in advanced...
OK, I've manage to contact the retailer and he gave me what appears to be the all system files, as now I have a rar containg system.img userdata.img recovery.img etc etc. How do I install this files, because he doesn't appear to know either. I tried from the recovery mode using install update.zip from sdcard but it give's me invalid OTA package and I can't find an answer on how to flash a img file from recovery mode...
pitvenin said:
OK, I've manage to contact the retailer and he gave me what appears to be the all system files, as now I have a rar containg system.img userdata.img recovery.img etc etc. How do I install this files, because he doesn't appear to know either. I tried from the recovery mode using install update.zip from sdcard but it give's me invalid OTA package and I can't find an answer on how to flash a img file from recovery mode...
Click to expand...
Click to collapse
Does the device have fastboot? If so the files need to flashed using fastboot. The command is fastboot flash boot boot.img
Fastboot flash system system.img.
If your device does not have fastboot then you will need to extract the system.img and make a flashable .zip so you can flash through CWM or whatever your recovery is. If you are using stock recovery then I eexpect you will either need to find a solution or send it off for repair. I will have a look into helping you get your device back up and running but I cant promise to succeed. Give me a few days and I will report back with any solutions or info to get you on your way to fixing your device.
Regards
Blackwatch
Sent from my LT18i using xda premium
pitvenin said:
Hello all,
Firs I like to apologies if I've posted in the wrong section of the forum.
As the title says, I have a Iglo A101 with GingerBread 2.3.4 phone and I accidently deleted the system/bin/sh file.
I was searching for a2sd and I downloaded it, but when running it, instead of pressing 1 - "install a2sd" I pressed 2 "uninstall a2sd", by mistake, and by the time I realized the sh file was deleted. Now the phone is no longer rooted and can't be rooted and also my Wi-Fi doesn't work anymore.
I've search the net for answer but I can't find a solution to this type of phone.
Could someone help me fix this or at least get the Wi-Fi working again?
Thanks in advanced...
Click to expand...
Click to collapse
You have use flash tools to flash those files in your mobile.......upload your build.prop under /system/
I'll tell you more!!
Sent from my GT-I5801 using XDA
I have stock recovery 3e. I tried to make an update.zip but I keep getting invalid OTA Package..
Here is the build.prop, sorry for my late response
And here is the one that is on my phone, I've manage to get it using jota text editor. Some how that application can still see some system files, but it can't write..
pitvenin said:
I have stock recovery 3e. I tried to make an update.zip but I keep getting invalid OTA Package..
Here is the build.prop, sorry for my late response
Click to expand...
Click to collapse
Do you have an update.zip of complete ROM for you phone??
If so, then upload your recovery.img....i'll mod it & give you a modded recovery......
here it is
any luck?
pitvenin said:
any luck?
Click to expand...
Click to collapse
Trying....
hi
i had similar problem on this device a101 i did not delete any folder but by rooting the device my wifi and Bluetooth stoped working.i solved the problem by the factory menu.....have you tried it?
i did factory reset, but since there a system file missing it doesn't solve it..Can't there be a way to create an update.zip package with the sh file and then apply like an update from recovery? I've been trying to understand what does invalid OTA package mean, I think if that would be solved then I could easily put the file back...
i think you need spb launcher
i have to admit i used it only ones before for china 5388 there i needed com + usb cable here you need just a normal cable us the boot on this phone is different i have all you need give me email i will send to you. i have scater for a101 file too.i never used it but i have.Us i said my phone work ok after reset from factory mode
still nothing?
pitvenin said:
OK, I've manage to contact the retailer and he gave me what appears to be the all system files, as now I have a rar containg system.img userdata.img recovery.img etc etc. How do I install this files, because he doesn't appear to know either. I tried from the recovery mode using install update.zip from sdcard but it give's me invalid OTA package and I can't find an answer on how to flash a img file from recovery mode...
Click to expand...
Click to collapse
If you have the system.img image, you can try to flash it in the phone with SP Flash Tool,
Here is the tutorial:
bm-smartphone-reviews.blogspot.com/2011/10/mt65x3-flashing-tutorial.html
arcristi..all I can say is : THANK YOU!
I finally managed to get the system files back, I'm gonna hang on to this program just in case....Thanks again
A101 Android
Please, can you here to give all system files, which were sent to you from retailer? I have the same model. Thanks!

[Q] Wi-Fi not working

After flashing stock ROM on my Moto G I was not able to use Wi-Fi, it does not turn on. So I tried some other ROMS from various countries and nothing. However when I flashed the Nexus G - beta 4 custom ROM (http://forum.xda-developers.com/showthread.php?t=2606943) I got it working again.
Can someone please explain what is happening, and help me?
same here
TiagoPeixoto said:
After flashing stock ROM on my Moto G I was not able to use Wi-Fi, it does not turn on. So I tried some other ROMS from various countries and nothing. However when I flashed the Nexus G - beta 4 custom ROM (http://forum.xda-developers.com/showthread.php?t=2606943) I got it working again.
Can someone please explain what is happening, and help me?
Click to expand...
Click to collapse
same here its burnsyboo im just downloading Nexus G the problem i have is i formated /persist /pds /firmware and the rest because i thought this was now mandatory in 4.4 i formated them in the new 4.4 cwm and now when i flash a custom rom or stock i flick that switch for WIFI and nothing it wont turn on im not sure why help would really be appreciated it may be that me and TiagoPeixoto formated the files wifi runs on i hope the nexus g rom will fix my wifi issues if not could someone please go to the root of there phone in root explorer or file manager and pull persist for us and pds them are the main files that WIFI runs on i think if someone could do that for us and upload it then i will be very greatfull thanks
Solved
So, I got it working again. The problem was indeed in the persist folder, it was missing a file named WCNSS_qcom_wlan_factory_nv.bin. So I managed to extract it from the persist.img and moved it to persist folder again. After that I edited the bin file and inserted my MAC address. Finally I have flashed my phone to stock ROM again and it worked just fine.
Here's the file:
fixed
Thank you so much this fixed my problem as well
Ok. Let's try but first let me e sure how to do it.
1. Edit persist.img with the .bin file inside.
2. Installl stock rom on my phone.
3. Flash persist.img in fastboot mode.
It's that correct?
gerardomt said:
Ok. Let's try but first let me e sure how to do it.
1. Edit persist.img with the .bin file inside.
2. Installl stock rom on my phone.
3. Flash persist.img in fastboot mode.
It's that correct?
Click to expand...
Click to collapse
First of all check if your persist folder is missing the bin file I have mentioned. If it is, You have to extract that file from persist.img or You can just download the one I uploaded.Then you must edit it and insert your mac address and after that you just have move it to the persist folder using a root explorer.
I could not flash persist.img, bootloader was always returning an access denied message, so i figured a way to explore the persist.img file using LinuxReader and extracted the WCNSS_qcom_wlan_factory_nv.bin from it.
So basically i ''flashed'' persist manually. Copy, edit, paste.
Thanks
Fixed
I have 2 days searching the solution and try with so many files.
Thanks
Please, could someone explain me exactly (for n00b like me) how to solve this problem?
Solved
Im lost on how to do this... do i just extract the file to the persist folder??
I formated /persit folder also, tried install stock rom, but no success with wifi
The problem is: i have no persist folder inside root and when i try to create it, the folder was gone after reboot.
Bootloader dont let me flash persist.img
What can I do?
Could someone help me, please?
When I try to "fast boot flash persist persist.img", I get a permission denied. Am I missing something?
braindump03 said:
When I try to "fast boot flash persist persist.img", I get a permission denied. Am I missing something?
Click to expand...
Click to collapse
me too
it's weird cause stock rom dont recovery /persist /firmware and /modem partition, and I wiped they content -.-'
now I'm depending on you some gracious soul can post these folders for me
Wi fi problem
Hi guys,
i've a Moto G 16 Gb purchased on Amazon.De, so german phone. I live in italy and when i connect to wi fi no problem. When i go in switzerland and i try to connect to another wi fi net (my girlfriend's line) provided by Swisscom, it doesn't work: well, i insert passoword, but it cant connect ... i called Swisscom, they tried to reset router and so on , but still persist this problem. The person (swiss) that sells me the phone (i bought it as used) said that he has the swiss provider Cablecom and it didn't have any problem. I'm fully stock with 4.4.2 . Anyone has any idea? thank you
ps: with my galaxy s3 i have no problem both in italy and in switzerland
Can anyone help in explaining the above?
....to a relative newbie? I've downgraded from 4.4.2 down to 4.3 and now my wi-fi is not working anymore, the MAC address is lost.
I'd really, really appreciate any help with regards to the procedure in going about fixing the 'Persist Folder' .
Thank you for reading.
Please make any method to solve Persist folder
Downgrade from 4.4.2 to 4.3 XT1034 UMTS...
TiagoPeixoto said:
First of all check if your persist folder is missing the bin file I have mentioned. If it is, You have to extract that file from persist.img or You can just download the one I uploaded.Then you must edit it and insert your mac address and after that you just have move it to the persist folder using a root explorer.
I could not flash persist.img, bootloader was always returning an access denied message, so i figured a way to explore the persist.img file using LinuxReader and extracted the WCNSS_qcom_wlan_factory_nv.bin from it.
So basically i ''flashed'' persist manually. Copy, edit, paste.
Click to expand...
Click to collapse
I'm sorry, but can you please elaborate? I'm have this wifi issue and it's really annoying.
You say to extract the file from persist.img, but where exactly do I find that? The file you uploaded is not persist.img.
How would I edit and insert my mac address?
Where is this persist folder? I can't find it anywhere.
If you could respond that'd be great.
breadstyx said:
I'm sorry, but can you please elaborate? I'm have this wifi issue and it's really annoying.
You say to extract the file from persist.img, but where exactly do I find that? The file you uploaded is not persist.img.
How would I edit and insert my mac address?
Where is this persist folder? I can't find it anywhere.
If you could respond that'd be great.
Click to expand...
Click to collapse
The file which he uploaded in post 3 was extracted out of the persist image.
The problem was indeed in the persist folder, it was missing a file named WCNSS_qcom_wlan_factory_nv.bin. So I managed to extract it from the persist.img and moved it to persist folder again.
Click to expand...
Click to collapse
You'll find persist folder at /persist.
You need filemanger with root permission, the you can see this folder.
So copy WCNSS_qcom_wlan_factory_nv.bin to your SD card. Use your filemanger to copy this file to /persist.
Activate wi-fi, the you'll find your mac adress under Settings > About Phone > Status > Wi-fi MAC Adress
Open WCNSS_qcom_wlan_factory_nv.bin on your phone with a text editor and type your mac adress inside that file and save it.
I have not tried it because i did not have this issue. But this is the way how i understood it.
simply copied the file in /persist, set permissions and rebooted
No MAC adress to enter
Works fine now
Thanks, very much!
You resolved me
Only its the put the WCNSS in the /persist folder and OK.
(You need to have the firmware with /persist).

[Q] IMEI has gone after wipe

Hello, I have a jiayu G3T ( G3QCT ) with JB Android 4.2.1 installed , but yesterday it occurred to me to look for a custom rom 4.2.2 , I downloaded the rom, and follow the instructions ( wipe data / factory reset wipe cache && && wipe dalvik ) then install the new rom, everything seems to be right , but when the phone rebooted , I noticed that said " INVALID IMEI " and did not detect the SIM card ...
I have no backup of the IMEI ( if I have the sticker underneath the battery)
I reinstalled the rom I had before jiayu , which comes standard rooted ,I have tried uncle tools and the application of jiayu , I entered the engineer mode so I went to connectivity CDS information Radio information, phone 1 & 2 wrote 2 lines (one for each option )
AT + EGMR = 1.7, " IMEI "
AT + EGMR = 1.10 , " IMEI "
but when you click on send command says " command failed to send, even after pressing repeatedly says " command was mSent " but on reboot, nothing has changed, and the IMEI is still not valid .
I tried the mtkdroidtools but says it was all right , the result is the same, nothing changes
I also tested the MAUI META 3G & IMEI and SN WRITER but I have not gotten any results ...
Someone could tell me how to fix it? thanks
I'd suggest you re flash stock rom using SP Tools, then use SN Gen to create a MP0B_001 file. Then place the generated file on your SD card, use root explorer, copy the file you have placed on the SD card and move it to /data/nvram/md/NVRAM/NVD_IMEI/, and set the file's permission to rw-rw----.
Then reboot and enjoy.
stock rom
and where i cant get that stock rom? could you link it to me?
sn_gen
ViKtory36 said:
I'd suggest you re flash stock rom using SP Tools, then use SN Gen to create a MP0B_001 file. Then place the generated file on your SD card, use root explorer, copy the file you have placed on the SD card and move it to /data/nvram/md/NVRAM/NVD_IMEI/, and set the file's permission to rw-rw----.
Then reboot and enjoy.
Click to expand...
Click to collapse
the stock rom could be any of http://www.jiayu.es/software.php?soft&jiayu=G3QCT ?
I have used (4.2.1)ROM Oficial Jiayu.es 20131203-000001 (the latest) and sn_gen to recover my IMEI.... but after copy and set the permissions, and reboot, anything changes, what Im doing wrong?
tdguchi said:
the stock rom could be any of http://www.jiayu.es/software.php?soft&jiayu=G3QCT ?
I have used (4.2.1)ROM Oficial Jiayu.es 20131203-000001 (the latest) and sn_gen to recover my IMEI.... but after copy and set the permissions, and reboot, anything changes, what Im doing wrong?
Click to expand...
Click to collapse
I see that the website is in Spanish, so I may interpret the files incorrectly.
I'm gonna presume that you have already downloaded and installed the required MTK VCOM Drivers, and the device's drivers which are also given on the website. Install both if you haven't already.
I see there is a scatter loading file present under the downloads. Download the scatter loading and the latest ROM. Extract both the ROM files and the Scatter Loading file to a same single folder. Then use SPFlashtool and select the scatter loading file from the extracted folder, and check ALL the boxes.
Then remove the battery from your phone, connect the phone to the PC, and click "Download" on SP Flash Tool. After it finishes, you should see a box with a green circle, which indicates the flashing was successful.
After that, put the MP0B_001 file on your SD card, and follow the steps given by me on post #2.
And don't forget to hit thanks if I have helped. =]
tried.....but no working
ViKtory36 said:
I see that the website is in Spanish, so I may interpret the files incorrectly.
I'm gonna presume that you have already downloaded and installed the required MTK VCOM Drivers, and the device's drivers which are also given on the website. Install both if you haven't already.
I see there is a scatter loading file present under the downloads. Download the scatter loading and the latest ROM. Extract both the ROM files and the Scatter Loading file to a same single folder. Then use SPFlashtool and select the scatter loading file from the extracted folder, and check ALL the boxes.
Then remove the battery from your phone, connect the phone to the PC, and click "Download" on SP Flash Tool. After it finishes, you should see a box with a green circle, which indicates the flashing was successful.
After that, put the MP0B_001 file on your SD card, and follow the steps given by me on post #2.
And don't forget to hit thanks if I have helped. =]
Click to expand...
Click to collapse
Well... that is what I did... was unsucccessful... imei is till missing... i have contacted jiayu support.. they said me that some phone are not able to restore IMEI in a easy way..... the ask me 18€ ( $24) aswell they ask me to pay the Shipping rates... so they could try to fix it...
tdguchi said:
Well... that is what I did... was unsucccessful... imei is till missing... i have contacted jiayu support.. they said me that some phone are not able to restore IMEI in a easy way..... the ask me 18€ ( $24) aswell they ask me to pay the Shipping rates... so they could try to fix it...
Click to expand...
Click to collapse
They want to just rip money off you.. All MTK devices have only that one way of restoring device's IEMI which I have listed above., as far as I know.
You can try doing the following (This is just speculation, I have never tried this but it MAY work, as a MP0B_001 file and a backup generated by Mobileuncle MTK tools have the same output when opened via a text editor.)-
After generating an IEMI file, open it using Notepad. Then copy everything written in it, make a new notepad file and paste it there. Save that file as "IEMI.bak" file, and put that in your sd card.
Then install Mobileuncle MTK tools from Play Store, give it root access and go to IEMI backup/restore option. You should find your saved backup there. Hit restore from SD card, and pray that it works.
If it doesn't work, then I'm sorry. Send the phone over to your manufacturer if all else fails.
ViKtory36 said:
They want to just rip money off you.. All MTK devices have only that one way of restoring device's IEMI which I have listed above., as far as I know.
You can try doing the following (This is just speculation, I have never tried this but it MAY work, as a MP0B_001 file and a backup generated by Mobileuncle MTK tools have the same output when opened via a text editor.)-
After generating an IEMI file, open it using Notepad. Then copy everything written in it, make a new notepad file and paste it there. Save that file as "IEMI.bak" file, and put that in your sd card.
Then install Mobileuncle MTK tools from Play Store, give it root access and go to IEMI backup/restore option. You should find your saved backup there. Hit restore from SD card, and pray that it works.
If it doesn't work, then I'm sorry. Send the phone over to your manufacturer if all else fails.
Click to expand...
Click to collapse
well.... or Im not generaing a valid file... or it doesnt work.....:crying::crying::crying::crying::crying:
I did everything right but when I press "send AT Command" appear An error on my screen "failed to send AT command" what did I do wrong? what can I do to fix it?
How to create that MP0B_001 file ?
ViKtory36 said:
I'd suggest you re flash stock rom using SP Tools, then use SN Gen to create a MP0B_001 file. Then place the generated file on your SD card, use root explorer, copy the file you have placed on the SD card and move it to /data/nvram/md/NVRAM/NVD_IMEI/, and set the file's permission to rw-rw----.
Then reboot and enjoy.
Click to expand...
Click to collapse
How to create that MP0B_001 file please help!

[Q] One Plus One stock file manager problem. (NEED HELP)

I use a one plus one. I recently updated my cell phone to Cyanogen mod version 12.0-YNG1TAS2I3.
Now I transferred some files into the secure folder of the stock file manager present in the phone from another folder in the phone only. I actually transferred two folders. Now I open the secure storage with a password to see that the folder is not showing. A folder was previously present in it that still shows but the one I moved 12 hours ago is no where to be found. Please I need help with this as it had really important files. Anyone with a good solution is always welcome, thank you.
I've got the exact same problem, did you manage to find the files?

How to change MAC address ?

Hello, it turns out that yesterday I was changing ROM's but there came a time where to enter the configuration of one of them I realized that I could no longer turn on the wifi, the first thing I suspected is that it was mac address problem so I went to check and indeed, had a mac 02:00:00:00:00:00, then I thought that flashing again with the stock rom would be fixed but to no avail, what can I do to change to a functional MAC ?
Hint: Replace this thread's absolutely sensless title by How to change MAC address ?
Hi, the error was that the wifi folder (located inside /persist) had been deleted, I simply had to modify the stock rom to repair that folder when flashing, that solved my problem.
Hi, the error was that the wifi folder (located inside /persist) had been deleted, I simply had to modify the stock rom to repair that folder when flashing, that solved my problem.
SedaxM7 said:
Do you know how I could do it?
Click to expand...
Click to collapse
Simply edit your 1st post accordingly.
Hi, the error was that the wifi folder (located inside /persist) had been deleted, I simply had to modify the stock rom to repair that folder when flashing, that solved my problem.

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