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[Q] My Nexus S won't boot at all... Help, please

Hi
I'm facing a problem with my Nexus S, before it was working... but, unfourtunatlly i just make some modification in the system file and now my phone not working and stuck at the google logo black screen... exactly, i think the problem in the java runtime.jar file that was in the system folder, i replace it with another file and all that done since i want to add another language to the system so that it can understand it. but, the device now is not working....
I tried to enter the recovery mode and wipe all data, but nothing change. its keep the same. so i tried also to format the system (from the recovery) since, the modification done in that folder... also, its not working....
So, I think the best way right now is to return it to the default rom(official one from google) , i download it, and tried to flash it using the "fastboot" command but it keep give me error when writing for system.img file....
What can I do right know ??? I can't use my device at all...
Help me Guys, please.....

For future reference Factory wipe doesn't touch /system...just /data.
If you formatted your /system, and it actually formatted, all you can do now is restore a working system.
If you didn't make your own nandroid backup of the system (and you ALWAYS should in the future before messing with system level modifications) to have a known working configuration, then your best bet in my opinion is to go to this thread: http://forum.xda-developers.com/showthread.php?t=884093
Download the nandroid image from there and flash it to your phone using Clockwork Recovery.
Good luck.

distortedloop said:
For future reference Factory wipe doesn't touch /system...just /data.
If you formatted your /system, and it actually formatted, all you can do now is restore a working system.
If you didn't make your own nandroid backup of the system (and you ALWAYS should in the future before messing with system level modifications) to have a known working configuration, then your best bet in my opinion is to go to this thread: http://forum.xda-developers.com/showthread.php?t=884093
Download the nandroid image from there and flash it to your phone using Clockwork Recovery.
Good luck.
Click to expand...
Click to collapse
But, The question here is.... how can i flash it when i can't get access to the memory(since the Nexus S doesn't have sd memory slot) and to the system ??
when i enter the recovery, all i can do is use the fastboot command.... can i use it here ??
Thanks alot .....

If you boot into Clockwork, you should be able to use it's mounts menu to mount the sdcard...then use adb to push the files to your sdcard. adb should be active and working in clockwork.
If that doesn't work out for you, you could also try the Odin and "download mode" approach from this thread: http://forum.xda-developers.com/showthread.php?t=947950

distortedloop said:
If you boot into Clockwork, you should be able to use it's mounts menu to mount the sdcard...then use adb to push the files to your sdcard. adb should be active and working in clockwork.
If that doesn't work out for you, you could also try the Odin and "download mode" approach from this thread: http://forum.xda-developers.com/showthread.php?t=947950
Click to expand...
Click to collapse
Thank you sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo much distortedloop....
as what u said.... the mount already available in the clockwork.. but i didn't see it before.....
Now i got my Nexus S back to me again.....
Thank u soooooooooooooo much Man... I appreciate it

abd640 said:
Thank you sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo much distortedloop....
as what u said.... the mount already available in the clockwork.. but i didn't see it before.....
Now i got my Nexus S back to me again.....
Thank u soooooooooooooo much Man... I appreciate it
Click to expand...
Click to collapse
Glad you're up and running again.

Hello guys
I have the same problem, but i guess for different reasons.
I applyed the superboot from the modaco´s forum on my nexus s, but I guess I did it with the wrong version (i had got the 2.3.4 ota before doing so and used a 2.3.3 version) and now my phone won´t boot. My rom was stock. Now, it remains on that google initial screen. I can´t get to upload anything for the device since I guess the usb debug mode is off, although when I connect the device to the computer, the system shows the usb driver. I guess my device is GT90 something, can´t say for sure. Have to check at the box.
That said, I´d like some help on what to do about it.
I´ll be forever grateful!

ectole said:
Hello guys
I have the same problem, but i guess for different reasons.
I applyed the superboot from the modaco´s forum on my nexus s, but I guess I did it with the wrong version (i had got the 2.3.4 ota before doing so and used a 2.3.3 version) and now my phone won´t boot. My rom was stock. Now, it remains on that google initial screen. I can´t get to upload anything for the device since I guess the usb debug mode is off, although when I connect the device to the computer, the system shows the usb driver. I guess my device is GT90 something, can´t say for sure. Have to check at the box.
That said, I´d like some help on what to do about it.
I´ll be forever grateful!
Click to expand...
Click to collapse
try to boot into bootloader. root the phone n install a recovery.img, then reinstall a custom rom or the stock rom.

deeren said:
try to boot into bootloader. root the phone n install a recovery.img, then reinstall a custom rom or the stock rom.
Click to expand...
Click to collapse
The thing is that i already have clockworkmode installed and i can access it through bootload, in fact is the only thing i can do. My problem is that i just can´t send the recovery.img from the pc to the phone. And I also think that the usb debug mode is unavailabe, so I can´t activate it.
I´m new to this thing so the only way I could move files into the phone was through windows explorer drag and drop. Honestly I´m lost without it.
Is there a different way to push it to the phone ?
I understand this forum is intended to more experienced users, and for that I apologise.

Guys I found a solution by enabling USB from clockwork! Thanks! Keep the good work!
Sent from my Nexus S using XDA Premium App

Hello "ectole", could you let me know how you get out of it. I am in the same problem. I followed this guide http://forum.xda-developers.com/showthread.php?p=13800735#post13800735 to root my phone, now I always boot into clockwork. I can I boot into Nexux again?

Hi guys,
I'm in a similar situation. I tried to install CyanogenMod 7 to my Nexus S (ATT), got stuck at the skating dude.
Booted back into Clockwork, and tried to flash back to the stock firmware, but I think I accidentally flashed the wrong one (for the 9020T instead of 9020A) build. Now I can't get into ClockworkMod or anything on the screen whatsoever.
Does anyone have any tips at all? I'm really screwed here, would appreciate it a lot...
J

Hey bante just go to clockwork then to mount/dismount menu and the last option should be mount USB storage. Mount it and stay there and your PC should see the sd card. Then upload what you want.
Sent from my Nexus S using XDA Premium App

HELP!!! Odin bricked my Nexus S i9020a
I attempted to use odin to restore my phone. Could not get past bootloading screen. Put phone in recovery mode and used odin and grh78 firmware.
Odin went thru the whole process and said success, then my phone shut off, and will not power back on. Any ideas?

OkNewMedia said:
I attempted to use odin to restore my phone. Could not get past bootloading screen. Put phone in recovery mode and used odin and grh78 firmware.
Odin went thru the whole process and said success, then my phone shut off, and will not power back on. Any ideas?
Click to expand...
Click to collapse
Which phone version you got?
Sent from my Nexus S using XDA App

OkNewMedia said:
I attempted to use odin to restore my phone. Could not get past bootloading screen. Put phone in recovery mode and used odin and grh78 firmware.
Odin went thru the whole process and said success, then my phone shut off, and will not power back on. Any ideas?
Click to expand...
Click to collapse
By 'recovery mode', do you mean download mode? (you hold both vol up and vol down then plug in USB)

My Nexus s not boot at all
Hi
I'm facing a problem with my Nexus S, before it was working... but, unfourtunatlly i just make some modification in the system file and now my phone not working and stuck at the google logo black screen...
it doesn't entering the recovery mode. it only stucks at the google black logo screen
What can I do right know ??? I can't use my device at all...
Help me Guys, please.....

shavinder said:
Hi
I'm facing a problem with my Nexus S, before it was working... but, unfourtunatlly i just make some modification in the system file and now my phone not working and stuck at the google logo black screen...
it doesn't entering the recovery mode. it only stucks at the google black logo screen
What can I do right know ??? I can't use my device at all...
Help me Guys, please.....
Click to expand...
Click to collapse
flash either clockwork or twrp recovery via fastboot.

but how can i do this thing

jstennis1591 said:
Hi guys,
I'm in a similar situation. I tried to install CyanogenMod 7 to my Nexus S (ATT), got stuck at the skating dude.
Booted back into Clockwork, and tried to flash back to the stock firmware, but I think I accidentally flashed the wrong one (for the 9020T instead of 9020A) build. Now I can't get into ClockworkMod or anything on the screen whatsoever.
Does anyone have any tips at all? I'm really screwed here, would appreciate it a lot...
J
Click to expand...
Click to collapse
Sounds like you flashed i9023 software. You could try Odin. Does your computer recognize the phone?
Sent from my Nexus S 4G using xda premium

[Q] In need of aid :(

Hi
Bourght a nexus s a few days ago. Today i tried to root the phone using a guide from youtube, if you search for "root nexus s" and look for the user named "Zedomax", thats the one i tried to follow.
First i unlocked it.
next thing was to:
fastboot flash boot recovery clockwork.img (shortend the name to help my self)
last thing:
fastboot flash boot rootboot.img
After this was done my phone is unable to reboot again, it just stops at a google logo with a lock under it. And at that point im unable to do anything. Only thing that works is removing the battery. Think i have killed it
Any ideas to what i could do? is it possible for me to save it yet?
best regards,
Fonain

try to use the pc software to repair it or to reinstall android.. there is no problem..

pc software? could you please tell me what software are you talking about, maybe a link to where i can download it? And do you by chance know how to reinstall android?
any help is highly appreciated
Best regards,
fonain
edit: at work atm, so might not be able to answer right away

Odin.
http://forum.xda-developers.com/showthread.php?t=94795
I have yet to use it on my NS but i used it regularly on my vibrant. You will need to get into download mode for it to work.

your link doesnt work

does anyone know where i can find the original files for nexus s so i can use em in fastboot and make my phone work again?

fonain said:
does anyone know where i can find the original files for nexus s so i can use em in fastboot and make my phone work again?
Click to expand...
Click to collapse
which phone model do you have?
i9020 or i9023 ?

Bootloader version is I9020XXKA3
Baseband version is I9020XXKB1
dunno if those version names have been changed while i have been tampering with my phone, if not its the I9020

that looks good
if it's really a 9020 then you can use the unlocking + rooting guide for the 9020 in the general section
once you get CWR installed, you can flash to any ROM you like

Thanks ill try look deeper into that, and see if that will solve my problem.
but it is already unlocked and partly rooted...i think.
have used a clockwork img and rootboot img, and after that my phone couldnt start up again.

fonain said:
Thanks ill try look deeper into that, and see if that will solve my problem.
but it is already unlocked and partly rooted...i think.
have used a clockwork img and rootboot img, and after that my phone couldnt start up again.
Click to expand...
Click to collapse
those files are wrong use the mirror recovery image on the i9020 rooting topic in general http://forum.xda-developers.com/showthread.php?t=895545

Think i should have used that guide instead of the one i have been using the first time... looks great step by step!
But....
i still have the problem where my phone just stops loading.
1: unlocked it
2: typed: fastboot flash recovery recovery.img
3: finished at 1.132 sec (no problems so far)
4: reboot my phone, then it stops.
and it stop when showing this screen.
http://i53.tinypic.com/m74byg.jpg with a lock at the bottom which is unlocked.
And it just stops there, waited for several minutes as i have seen that the startup could take up to 2 mins after tampering with the nexus s.
get to the point in the guide where it tells you to download superuser.
Hope you can see if i have done something wrong
best regards,
Fonain
EDIT: oh yes, forgot to mention that the 2 touch buttons to the left on my SNS lights up. First one glowes for a sec or two, then it turns off again. The second stays on all the time.

repeat the fastboot flash recovery recovery.img one more time
after that is done, boot into the CW Recovery
you know hold up and power
then select mount USB
then copy over a stock nandroid backup for 2.3.3 rooted
after that unmount the usb
and select the option to restore rom from backup
and choose the folder that you unzipped into your mounted SD

3 words...
you are awesome!
thanks alot!!
Best regards,
Fonain

O3D stuck in fastboot mode but with working TWRP

Hey all
I wanted to update from GB to Custom ICS.
At the begining I was doing it wrong, flashing without the proper img, after I've download the TRWP image and modifying the name to match the one requested by fastboot, worked out but - here comes the trick, the recovery works well, I even flashed a zip file rom on the phone but the phone won't start. Connected to PC rest on the fastboot mode (the LG silver logo) or, not connected it goes of vibrating on and on.
Can someone help me please?
Thanks in advance.

BigBadSheep said:
Hey all
I wanted to update from GB to Custom ICS.
At the begining I was doing it wrong, flashing without the proper img, after I've download the TRWP image and modifying the name to match the one requested by fastboot, worked out but - here comes the trick, the recovery works well, I even flashed a zip file rom on the phone but the phone won't start. Connected to PC rest on the fastboot mode (the LG silver logo) or, not connected it goes of vibrating on and on.
Can someone help me please?
Thanks in advance.
Click to expand...
Click to collapse
Follow that tutorial http://forum.xda-developers.com/showthread.php?t=2246001

After long and hard tryouts, it worked
Karim Kahale said:
Follow that tutorial http://forum.xda-developers.com/showthread.php?t=2246001
Click to expand...
Click to collapse
Thanks Karim
I was doing it all wrong. I wasn't putting battery in at the right time.I was putting it at the "wait for five seconds" message instead of waiting for the second run of displaying texts.
Anyway...thanks alot for your help. I've managed to flash recovery on another phone. So now I revived the dead one and made available recovery for the second one. So I have one to experiment with and one for daily, normal use.
Thanks again.

[Q] lg g2 d801 bricked, no download mode,no fast boot only stuck at lg logo

hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate

xtremepowered said:
hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate
Click to expand...
Click to collapse
Have you tried this method?
http://forum.xda-developers.com/showthread.php?t=2701799
Not sure if it's applicable.

pitchdarkice said:
Have you tried this method?
http://forum.xda-developers.com/showthread.php?t=2701799
Not sure if it's applicable.
Click to expand...
Click to collapse
Thanks for your reply but I don't think that works, cause the link you have me is how to root device.

It still restores the image, you can choose to root or not
Sent from my SM-P600 using Tapatalk

xtremepowered said:
hi
i think i bricked my lg g2 d801 t-mobile by first installing stock d802(i know i messed up) after that my phone went to fast boot mode.i used adb to load img files to bring back download mode and then i tried tot method to install stock rom which failed, i then tried pushing img files from adb to get atleast custom recovery but that further bricked my phone which is basically living in this situation:
-no download mode
-no fastboot
-stuck at lg logo when i try to power it on
-no recovery
also i tried using linux to load the img files but linux wont recognize my lg g2 when i type in the commands
PLEASE PLEASE PLEASE help me i am desparate
Click to expand...
Click to collapse
Any luck fixing it ?

Kdz flashtool could solve the problem or using an usb.... U could leave the phone until the battery goes off and then recharge a little bit and try download mode again... the first method should work ... press the buttons correctly and connect the usb... working in 95%

same problem
tried the mentioned comments but still nothing for me.
PLEASE PLEASE let me know if you fix the problem OP

lgg2 d801 stuck on lg logo
Nabuco76 said:
Kdz flashtool could solve the problem or using an usb.... U could leave the phone until the battery goes off and then recharge a little bit and try download mode again... the first method should work ... press the buttons correctly and connect the usb... working in 95%
Click to expand...
Click to collapse
could you please explain what you did?
my lgg2 d801 simply boots into the LG logo screen and stays there til it dies.
I do not know too many technicalities when it comes to adb or ubuntu, in fact i dont even know if those programs go on the phone or the computer through usb..
simple clarifications would make the world of difference to me as my phone is useless now.
I can enter download mode using your "let phone die then try again method" but i dont know what to do from there..
Please help me restore my phone to the 4.4.2 kitkat i had previously
thannks in advance

d801 problems
I have a D801 that was rooted on 4.4.2, and I stupidly took the OTA update. I can still use my phone to make calls, but nothing associated with google works. The phone will not boot into download mode, there is no recovery and no fast boot. I have tried everything. It will no reroot or anything . Is there anything that I can do.

zorrozeek said:
I have a D801 that was rooted on 4.4.2, and I stupidly took the OTA update. I can still use my phone to make calls, but nothing associated with google works. The phone will not boot into download mode, there is no recovery and no fast boot. I have tried everything. It will no reroot or anything . Is there anything that I can do.
Click to expand...
Click to collapse
I'm not sure if this will work for the G2 but it worked for my G Pad just last night.
http://forum.xda-developers.com/showthread.php?t=2590185

spec4 said:
I'm not sure if this will work for the G2 but it worked for my G Pad just last night.
http://forum.xda-developers.com/showthread.php?t=2590185
Click to expand...
Click to collapse
Did you see where the directions say put the device in download mode. My device will not enter download mode.

zorrozeek said:
Did you see where the directions say put the device in download mode. My device will not enter download mode.
Click to expand...
Click to collapse
I can confirm that that method worked for my G2. Make sure you press and hold volume up then plug the phone in. Hold volume up till you see the small box saying its in download mode.
The nice thing about this method it doesn't wipe your data.
Make sure you have downloaded the most current drivers first though before you plug in your phone. Then go to options and update recovery.
Sent from my LG-V500

spec4 said:
I can confirm that that method worked for my G2. Make sure you press and hold volume up then plug the phone in. Hold volume up till you see the small box saying its in download mode.
The nice thing about this method it doesn't wipe your data.
Make sure you have downloaded the most current drivers first though before you plug in your phone. Then go to options and update recovery.
Sent from my LG-V500
Click to expand...
Click to collapse
It worked for you because your partitions were not messed up. I know the procedure for getting into download mode, I tell you that it no longer works. Volume up while plugging usb in now gets me a battery charging icon . When you have a rooted phone running 4.4.2 and apply OTA update, it screws the partitions up. I can still send and receive calls, just can't sign into google or use playstore .

zorrozeek said:
It worked for you because your partitions were not messed up. I know the procedure for getting into download mode, I tell you that it no longer works. Volume up while plugging usb in now gets me a battery charging icon . When you have a rooted phone running 4.4.2 and apply OTA update, it screws the partitions up. I can still send and receive calls, just can't sign into google or use playstore .
Click to expand...
Click to collapse
Interesting.
In the other post I found this
ratchet26 said:
I had a similar problem with my T-Mobile LG G2 where I was rooted and accepted an OTA. It broke root and I couldn't get IOroot or Stumproot to work. Went to flash a downgrade and found the phone wouldn't go into download mode. It was NOT bricked. I finally tried playing around with the LG Mobile Support Tool (B2CAppSetup.exe). Of course it detected that my phone already had the latest firmware from T-Mobile, but then I clicked Options>Upgrade Recovery.
It downloaded for a while then I noticed it had put my phone into download mode (it said "Rooted" in red letters at the bottom). Then it flashed the same firmware over and I immediately tested, it entered download mode right away. But I didn't end up needing that as Stumproot was able to brute force it now after the recovery flash.
Anyway, I couldn't find an answer anywhere else. Most results also have a bricked phone, but that wasn't my issue. This solved my problem and maybe it could work for others.
Click to expand...
Click to collapse
Seems like its possible to get into download mode. I don't know, maybe yours is just different.

spec4 said:
Interesting.
In the other post I found this
Seems like its possible to get into download mode. I don't know, maybe yours is just different.
Click to expand...
Click to collapse
mine is not different, just corrupted. Even took it to a craigslist repairman. He said that he did not have the expertise to repair it. It can't be put in recovery, download or fastboot mode. It also can't be rerooted.

ill ready repaired one equal but need it "octoplus box sw" for it

s7 active freezing

I have an s7 active that is stuck in the reboot loop. I am able to get it to download mode, but when i try to flash anything it won't flash and odin stops responding.
Can someone please help me?
Its an sm-891a
I was trying to find a stock rom to flash?

jrjorin said:
I have an s7 active that is stuck in the reboot loop. I am able to get it to download mode, but when i try to flash anything it won't flash and odin stops responding.
Can someone please help me?
Its an sm-891a
I was trying to find a stock rom to flash?
Click to expand...
Click to collapse
Here is a pic

I have been able to get it to download mode. I have tried flashing it with odin but it fails. I have no clue what the guy before me put on it. After it fails i get the security warning saying use smart start or something like that.
I have tried it and once I type in the info and click ok the program just closes.
All i am trying to do is get it back to stock.
Can anyone please help me?

Update i was able to get it flashed in odin but it still sticks on the recovery booting screen.
Any help is welcome

jrjorin said:
Update i was able to get it flashed in odin but it still sticks on the recovery booting screen.
Any help is welcome
Click to expand...
Click to collapse
Maybe someone can tell me what this means please

More info
I have tried to flash g891aucu2bqb2 7 all
It didn't flash
I was able to flash g891aucs6csg2 att6csg2 but it gets stuck in recovery booting.
I downloaded the newest sw from Samsung and it wont flash.
I was told i might have the wrong build #
Can someone please tell me something? ?

jrjorin said:
More info
I have tried to flash g891aucu2bqb2 7 all
It didn't flash
I was able to flash g891aucs6csg2 att6csg2 but it gets stuck in recovery booting.
I downloaded the newest sw from Samsung and it wont flash.
I was told i might have the wrong build #
Can someone please tell me something? ?
Click to expand...
Click to collapse
This is flash att 8.04

jrjorin said:
This is flash att 8.04
Click to expand...
Click to collapse
Got this on restart now

jrjorin said:
Got this on restart now
Click to expand...
Click to collapse
FYI
i was able to flash it with the Samsung tool, but it still is caught in the loop.
It comes up with android man and says installing system updating then restarts.
What do I try now??

jrjorin said:
FYI
i was able to flash it with the Samsung tool, but it still is caught in the loop.
It comes up with android man and says installing system updating then restarts.
What do I try now??
Click to expand...
Click to collapse
Update
Last night during the endless rebooting it came up with the recovery menu, then went past the first Samsung active logo to a fading Samsung logo and then the blue att logo.
Also the blue power light is now staying on.
And its still doing the boot loop

Another update :
Here is what I can get sometimes
I feel like someone out there can help me.
Please

Another update
Sorry for all the questions but i am still having problems.
Now I get this
Fail to open recovery no such file or directory
I was able to get to the recovery screen and I did the factory reset 2 times and cleared the cache.
It booted to the att logo and restarted.
Now it just shows the start up screen and then restarts.

jrjorin said:
Another update
Sorry for all the questions but i am still having problems.
Now I get this
Fail to open recovery no such file or directory
I was able to get to the recovery screen and I did the factory reset 2 times and cleared the cache.
It booted to the att logo and restarted.
Now it just shows the start up screen and then restarts.
Click to expand...
Click to collapse
Here is the recovery screen that shows its updated to sw ver 8

There is something weird with this phone. Yesterday I let the battery die to make sure it was a fresh boot and it came up with the red charge light for the first time and the correct charge symbol. Before it would charge but no lights and just a circle with lightning bolt.
Now its just doing the reboot loop again and won't go into recovery.
Has anyone else ever seen anything like that?

I am glad someone was able to help me. Apparently what i have been trying to flash is just a security update.
Can someone please send me a link for the latest full rom for s7 active?
I am able to flash this. G891AUCS6CSG2_ATT6CSG2
Is it a full rom?

I have tried every rom i can find. Either they won't flash because they are an older version, or the stick in the reboot loop.
The farthest i have gotten is the blue att ball

Still no luck and no help

Finally I see my problem.
FRP MODE is on.
I need a combination file for binary 6
Please.

Just wondering if this forum is in limbo . My s7 active was working perfectly fine [til 10/22/22] and then it froze and
then it would only go to download mode. So I flash latest Samfw.com_SM-G891A_ATT_G891AUCU6CTB1 ROM and
it goes to updating system, but displays ERASING - I have tried to install only recovery and the same
happens - It deletes everything I flash ? now it only flashed recovery, boot and modem and wont flash the larger BL,CS,CSC AP files ? Just trying to get the phone working again and to use it as a dash cam - LOL
Thanks for any input