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I have a Mytouch 3G running test 7 on my phone, and i just installed the clockworkmod rom manger. After, installed it i wanted to flash a new rom, so flashed the clockwork mod recovery, and when i tried to install the new rom from the sd card, it keeps on getting stuck on the mytouch screen, and nothing happens. How do i get into the recovery screen? thanks
First: This belongs in Q & A !!!!111
Which ROM did you flash? Maybe you had to wipe before
right now, i'm running cyanogen test-7, but when i go into the clockworkmod rom manger app and pick the flash rom from sd card, it just says it has to go to the recovery, and then my phone will reset and it would just get stuck on the mytouch screen. So, i just pull out the battery and reset the phone again, and i realized if i press the end button, it will go the rom that is already on the phone. I'm i suppose to push some buttons or something to get to the recovery screen?
No it should flash the rom you select and reboot the phone to boot the new rom without keypress needed.
maybe the wrong device was selected when downloading the recovery image? Try reinstalling clockworkmod recovery from rom manager.
Mod edit: not dev related, moved to q&a
I have the same problem.
I downloaded and installed Rom Manager from the Market and it has completely screwed up my recovery (I can't get into it at all). I tried flashing Amon's again (through Rom Manager) and it still doesn't work.
HTC G1. CM5.07 test 7 (trying to go to stable!).
Your recovery has been corrupted, you will need to flash it through fastboot.
JAguirre1231 said:
Your recovery has been corrupted, you will need to flash it through fastboot.
Click to expand...
Click to collapse
Yes thank you. I erased recovery partition in fastboot then reflashed Amon's.
Working now.
i got into the fastboot screen, but i have 4 options. hboot mode, reset device, restart to hboot, and power down. how do i flash from here?
illmatic282 said:
i got into the fastboot screen, but i have 4 options. hboot mode, reset device, restart to hboot, and power down. how do i flash from here?
Click to expand...
Click to collapse
Connect to your PC via USB, and from the command line issue "fastboot erase recovery" and then "fastboot flash recovery filename.img"
More on common fastboot commands here can be found on these forums, i'm not allowed to post links.
i connected my phone to my computer but nothing on my computer pops up. only the new hardware wizzard pops up. what do i do from here? im i suppose to get a adb popup? how do i set up the fast boot? i'm so confused..thanks
some one, please help..i want to be able to flash new roms in the future...thanks in advance
Can I sugges that you try this sticky thread at the top of this forum board.
It contains all you need to know on who to set up fastboot and how to use it - there are a couple of tutorials on it if you read through the thread.
CM 5.0.7 for Dream/Sapphire introduced a bug in flash_image. It causes recovery flashes to fail. It has since been fixed in the latest test of 5.0.8 I believe.
Man i have the same darn bug cant get back into recovery for nothing, and i dont have a pc to fastboot i have a non intel based mac so no adb or fastbooting, i have been doing fine for forever without adb or fastboot but is there any way around this one, i need help bad, im on HTTClay Superbadv1.3 and it has all sorts of bugs but i cant nandroid or bart or flash any rom without recovery, can someone please help!!!
Also is there another way to erase the recovery partition?
attempted root and used superboot grj22 from modoco pphone is unlocked and after double clicking on indows bat file as directed phone is locked on boot x
this phone has just come back from htc with a new power switch installed and 2.3.4.
anyway could use some help daughter is upset I locked her phone.
can get to boot menu however can not get into recovery. I get a triangle with exclamation in it
thanks
Please read the Wiki, Rooting guide for unlocked bootloader.
Flash recovery through fastboot.
Flash whatever ROM you want from recovery.
You've flashed a wrong kernel (which is contained in "superboot"), that's why you can't boot.
another question
read wiki and followed instructions which said after loading passimg that this was an older version. searched more and found another thread that gave a new file that was supposed to load the older version of the rom and get around the error "older version"
still not working any other ideas will be appreciated
Just to make sure I understand right you tried the frg83 passimg file and you got "main version is older" error? If so then can I just ask you is your bootloader unlocked (at the X screen before the cyanogen mod logo do you see an unlocked padlock)?
hi
yes padlock on screen is unlocked tryed to flash again and get the same error version is older
thanks for trying to help kid leaves for school tonight and is freaking
more
also askes if I want to reboot device
It'll be long fixed by then don't worry
Boot into bootloader then from there select the recovery option. Once there tell me what you see if you see and android with a /!\ next to it then press power and vol+ power slightly before. Then you will get a menu select power down. If you go straight to the menu tell me what color the writing is.
hi
get the triangle white with a orange exclamation in it
Ok then you'll need to flash a recovery via fastboot. So since you bootloader is unlocked I assume you already have the SDK set up and the drivers installed if not then I can help you with that too, but now just download this file and place it in the same directory as fastboot on the computer and download this file and put it on the root of your sd card (not in any folders).
Then boot the phone into fastboot (hold down the trackball while powering up) then connect the phone to the computer via usb and open a command prompt in the directory where you have fastboot. Then input these commands:
fastboot devices (this should return the s/n number from your phone)
fastboot flash recovery recovery.img (where recovery.img is the name of the first file you downloaded earlier)
fastboot boot recovery.img (same thing here)
The phone should then boot into recovery from there use the trackball to navigate go to flash zip from sd card then chose zip and chose the second file you downloaded earlier (the one you put on the sd card), after that wait for it to flash then press vol- to go back to the recovery main menu then select reboot system now and your all good you have stock with root access, if you want to flash a custom ROM then just ask I can explain that too.
As I've said, follow the guide FOR UNLOCKED BOOTLOADER.
You didn't.
The guide for unlocked bootloader is in Unroot/Restore section, called "using fastboot".
Actually, the only thing you need to do is to install recovery. Go to "recovery" guide - again, FOR UNLOCKED BOOTLOADER - and install Amon_Ra's recovery.
Once you have it, you can flash whatever you want, including stock ROM.
ok
everything is good except that i tryed to flash downloaded zip from sd and got error that zip is signed wrong also zip verifacation failed
again thanks excited I got this far.
so after this gets fixed than will phone reboot and go to 2.3.4 that was on there before?
will I be good to go for a new rom and last but least like the miuis and recommendations from an expert?
funny I bought the sensation and forgot how to do all this probably the pressure of the child (oh my god you wrecked my phone) Forgetting of course it was dads to begin with DARN KIDS
me dumb as a box of rocks toggled zip verifacation and ra unzipped.
afraid to push any buttons.
should I reboot?
and then Its ok to load a rom?
thanks
radio should be ok as it was just loaded from htc?
Ya you should be good don't worry you can't brick it by flashing something to the system partition only to the recovery and hboot partitions. Just select reboot system now and all should work fine.
Sorry for the late response I was away from my computer
still stuck on nexus x screen ??
earlier someone posted that when I used superbot I got the wrong kernel?
not sure but still stuck
just tryed to boot into recovery and it wouldnt go
Oh right sorry forgot an important step you kind of need a ROM my bad ok so forget about su you're going to need to flash a ROM I suggest cyanogen mod as a first ROM but it's up to you if you want miui or something then go for it. Here's a link to cm7 http://dl.dropbox.com/u/31690913/android%20files/update-cm-7.0.3-N1-signed.zip
So to flash this simply boot into recovery then go to wipe, wipe all at least 2X I do 5X to make sure then just go to flash zip from sd card and flash the ROM.
In that case do like we did last time and reflash it through fastboot. Now sorry but I gotta go maybe someone else can come and help you if not I'll be back later tonight.
thanks
thank you so much for helping me with this got everything working including the new miui rom.
when you panic just a little you forget all the things you knew how to do before.
thanks again.
Hey y'all.
Please help me. My P990 is stuck right after the LG logo on bootup.
First of all, this is what ive done:
1. Rooting the phone - succesful
2. Following the guide to install CyanogenMod 7.1.0 (stable) ROM - succesfull
- Nandroid backup
- Wipe all data + cache
- Can't remember it all really lol, but i had cyanogenmod working succesfully!
3. I wanted "voodoo sound", therefor i was told i had to flash a new kernel, which was working to cyanogenmod - thats why i chosed this kernel: vorkKernel-OC/UV Kernel for CM[20111105] which can be found here on xda, sorry i cant link yet - so what i did was downloading the .apk file, and in there, i could choose some things to get with it, and then download the .zip to flash from recovery mode. So i downloaded, flashed it from Clockworkmod recovery and it finished succesfully. So i rebooted my phone, it came with the "LG", then the logo (without animation) and then just black screen.
I feel like i cant do anything. As always when i try to open recoverymode (power + vol. down) it comes with: "S/W Update" (while flashing and nandroid backuping ive used ROM Manager's function "Boot to recovery".)
Ive tried to press any buttons.
Ive tried to plug my phone to the computer, no effekt.
Im really lost! Please help me
Thanks.
curzey said:
Hey y'all.
Please help me. My P990 is stuck right after the LG logo on bootup.
First of all, this is what ive done:
1. Rooting the phone - succesful
2. Following the guide to install CyanogenMod 7.1.0 (stable) ROM - succesfull
- Nandroid backup
- Wipe all data + cache
- Can't remember it all really lol, but i had cyanogenmod working succesfully!
3. I wanted "voodoo sound", therefor i was told i had to flash a new kernel, which was working to cyanogenmod - thats why i chosed this kernel: vorkKernel-OC/UV Kernel for CM[20111105] which can be found here on xda, sorry i cant link yet - so what i did was downloading the .apk file, and in there, i could choose some things to get with it, and then download the .zip to flash from recovery mode. So i downloaded, flashed it from Clockworkmod recovery and it finished succesfully. So i rebooted my phone, it came with the "LG", then the logo (without animation) and then just black screen.
I feel like i cant do anything. As always when i try to open recoverymode (power + vol. down) it comes with: "S/W Update" (while flashing and nandroid backuping ive used ROM Manager's function "Boot to recovery".)
Ive tried to press any buttons.
Ive tried to plug my phone to the computer, no effekt.
Im really lost! Please help me
Thanks.
Click to expand...
Click to collapse
Sounds like a boot loop. Check filesystem compatibility of the kernel you flashed. Might not be compatible with the one previously used by CM.
you should wipe cache and wipe dalvik cache if you want to flash the kernel. and in order to get work your phone again, you should nvflash cause your phone can't do anything
You're trying to enter recovery wrong. Hold both power and vol- for around 10secs. If you're getting S/W Update, you're only holding volume down.
vokkernal, how to make it work?
Hi, even I tried that, I got the same error... Can anyone suggest a way to make it work, or if any step is missing?
By the way, I used the latest Version on Cynogenmod (stable) (update-cm-7.1.0-Optimus2X-signed.zip), vokkernal app.
Thanks
Very sorry for slow answer!
Anyone can link a guide for a working NVFlash ? ive tried but it comes up with an "uid read fail" ind the cmd box, after the "Nvflash started" ???
here you are
http://forum.xda-developers.com/showthread.php?t=1007825
Click to expand...
Click to collapse
hmm, I had the same problem trying to enter recovery, You have to press vol down and then power. If you do it at the same time sometimes doesnt work. So try pressing it before power and keep them pressed until you see the LG Logo (but the one with a bit of blue light) then you can't unpress them.
Download smartflash and download stock rom along with baseband and flash it using smartflash by pulling out battery from phone press volumedown and insert usb cable and soon check procedure in xda forum.i garuntee you it will work as i faced same issue
Sent from my LG-P990 using XDA App
I just recently got my TF701T. I unlocked the boot loader with the Asus unlock tool and then attempted to upgrade to version 11.4.1.17 so that I could install Cromi-X 7 on it. I placed the file UL-K00C-US-11.4.1.17-user.zip on the root of the tablet and rebooted. Once the OS booted back up I was alerted that an update file had been found and I clicked it to begin installing.
The tablet rebooted and appeared to be upgrading but now all I see is a robot on his back with a red exclamation point. After a while the tablet will reboot and again show the Asus splash screen and then the upgrading robot then immediately go to the robot on its back.
I can get to fastboot by pressing power and volume down. I see "the device is unlocked" at the top of the Asus splash screen then I see a screen with the following. Android macallan-user bootloader (1.00 e) released by "US_epad-10.14.1.47-20131022" Choosing RCK, Android or Wipe Data do nothing to help the situation.
I thought I had found a solution in this thread http://forum.xda-developers.com/showpost.php?p=47933481&postcount=1 but the link for drgravy's recovery.img is not working.
I would appreciate any help recovering this tablet. Thank you.
jggrnaut said:
I just recently got my TF701T. I unlocked the boot loader with the Asus unlock tool and then attempted to upgrade to version 11.4.1.17 so that I could install Cromi-X 7 on it. I placed the file UL-K00C-US-11.4.1.17-user.zip on the root of the tablet and rebooted. Once the OS booted back up I was alerted that an update file had been found and I clicked it to begin installing.
The tablet rebooted and appeared to be upgrading but now all I see is a robot on his back with a red exclamation point. After a while the tablet will reboot and again show the Asus splash screen and then the upgrading robot then immediately go to the robot on its back.
I can get to fastboot by pressing power and volume down. I see "the device is unlocked" at the top of the Asus splash screen then I see a screen with the following. Android macallan-user bootloader (1.00 e) released by "US_epad-10.14.1.47-20131022" Choosing RCK, Android or Wipe Data do nothing to help the situation.
I thought I had found a solution in this thread http://forum.xda-developers.com/showpost.php?p=47933481&postcount=1 but the link for drgravy's recovery.img is not working.
I would appreciate any help recovering this tablet. Thank you.
Click to expand...
Click to collapse
Do you have the Asus drivers and adb/fastboot installed on your PC?
If you have fastboot access, it would be as easy as:
Download CWM 6.0.4.7 from here http://droidbasement.com/db-blog/?p=3207
I know it says you have to be on 10.26.1.18 for this, but since you will use it only to flash the latest bootloader, you should be fine.
Put the recovery.img into your fastboot folder and flash it (if you need help here, let me know).
Then fastboot reboot
Your tablet should boot up normally now
Part 2:
Head here http://forum.xda-developers.com/transformer-tf701/development/rom-nov-24-t2951032 and grab the 11.4.1.27 bootloader/CWM 6.0.5.1 package
Flash it in your existing CWM
Reboot
Part 3:
Boot to recovery
Make a nandroid of your stock rom
Go back to home
Wipe data, cache and Dalvik
Flash the rom (which you have loaded onto your microSD)
All done.
Don't forget to delete the (probably corrupted) firmware file
EDIT: BTW, when you reboot to system from CWM you will always get the question if you want to fix root. Choose NO - it's a bug....
berndblb said:
Do you have the Asus drivers and adb/fastboot installed on your PC?
If you have fastboot access, it would be as easy as:
Download CWM 6.0.4.7 from here http://droidbasement.com/db-blog/?p=3207
I know it says you have to be on 10.26.1.18 for this, but since you will use it only to flash the latest bootloader, you should be fine.
Put the recovery.img into your fastboot folder and flash it (if you need help here, let me know).
Then fastboot reboot
Your tablet should boot up normally now
Part 2:
Head here http://forum.xda-developers.com/transformer-tf701/development/rom-nov-24-t2951032 and grab the 11.4.1.27 bootloader/CWM 6.0.5.1 package
Flash it in your existing CWM
Reboot
Part 3:
Boot to recovery
Make a nandroid of your stock rom
Go back to home
Wipe data, cache and Dalvik
Flash the rom (which you have loaded onto your microSD)
All done.
Don't forget to delete the (probably corrupted) firmware file
EDIT: BTW, when you reboot to system from CWM you will always get the question if you want to fix root. Choose NO - it's a bug....
Click to expand...
Click to collapse
Thanks for the reply. I do have the drivers and adb/fastboot setup on PC.
After I could not find anywhere to download the version of CWM that was supposed to be for my firmware version I was afraid to proceed.
When I get home I will try the steps you have listed above and report back how it turned out.
One question, In part one after I flash recovery CWM 6.0.4.7 do I reboot to recovery or let the tablet reboot to the OS?
jggrnaut said:
Thanks for the reply. I do have the drivers and adb/fastboot setup on PC.
After I could not find anywhere to download the version of CWM that was supposed to be for my firmware version I was afraid to proceed.
When I get home I will try the steps you have listed above and report back how it turned out.
One question, In part one after I flash recovery CWM 6.0.4.7 do I reboot to recovery or let the tablet reboot to the OS?
Click to expand...
Click to collapse
Shouldn't matter. When you flash recovery or bootloader, you flash it to the staging partition. The actual installation happens during the next boot - you'll see a brief blue progress bar under the Asus logo.
Booting a recovery for the first time I always reboot to system after the flash, then power down and enter the new recovery from the bootloader. Probably booting straight to recovery or bootloader is ok, but I have not tested it.
berndblb said:
Shouldn't matter. When you flash recovery or bootloader, you flash it to the staging partition. The actual installation happens during the next boot - you'll see a brief blue progress bar under the Asus logo.
Booting a recovery for the first time I always reboot to system after the flash, then power down and enter the new recovery from the bootloader. Probably booting straight to recovery or bootloader is ok, but I have not tested it.
Click to expand...
Click to collapse
Well it has gotten worse and I think I have lost fastboot now. I downloaded the CWM from part 1 above and flashed it in fastboot. I typed fastboot reboot and now I am stuck in a bootloop still. It says "The device is unlocked" at top of Asus splash screen for about 15 seconds, screen turns black and the goes back to Asus splash screen.
I tried holding power and volume key to get back to fastboot but no luck. Any ideas?
Wow! You are really having some bad luck there!!
First the failed firmware update and now this.... Please post the commands you used to flash CWM.
I have no explanantion for this since you did not even boot into CWM.......
Unless..... the bad firmware flash left a command behind calling the stock recovery to do something (which in your case did not work anyway since it just looped) and now the bootloader tries to execute the command which is not "understood" by CWM. But that still does not explain why you cannot boot into the BL anymore......
Can you turn it off by long pressing power? Try every which way to get into fastboot. Without it there is not much you can do I'm afraid.
Try the restart pin hole (I believe it's on the left side of the tablet near the top) in conjunction with Volume Down, try leaving it alone for a while, try timing the button press somewhat differently - anything to get you into the BL again...
I feel very sorry for you, mate!!
Thanks for helping even if it didnt turn out great.
I typed fastboot flash recovery recovery.img after I had downloaded 6.0.4.5 and put it in my fastboot folder. I got confirmation that it transferred successfully.
Then fastboot reboot The tablet rebooted but still would not boot into OS. It still boot looped but did not show the dead android icon anymore.
I got back into fastboot and selected RCK but it would not boot into recovery. Finally I got back into fastboot and selected wipe data and that is what got me to current situation. Now the only thing I get is when I long press power and volume up my PC picks up an unknown device that says apx.
jggrnaut said:
Thanks for helping even if it didnt turn out great.
I typed fastboot flash recovery recovery.img after I had downloaded 6.0.4.5 and put it in my fastboot folder. I got confirmation that it transferred successfully.
Then fastboot reboot The tablet rebooted but still would not boot into OS. It still boot looped but did not show the dead android icon anymore.
I got back into fastboot and selected RCK but it would not boot into recovery. Finally I got back into fastboot and selected wipe data and that is what got me to current situation. Now the only thing I get is when I long press power and volume up my PC picks up an unknown device that says apx.
Click to expand...
Click to collapse
I don't know what happened before - maybe you were doomed since the bad firmware flash - but that last step sealed the coffin.
Using Wipe Data from the bootloader with a custom recovery installed is asking for trouble. Never ever do that.... Sorry, it's a brick. [emoji24]
Hello!
My htc stuck on logo ,,this build is for development purposes only". Twrp and bootloader working. I can instal cm and other rom but after instal htc stuck in logo Please help me. How install a custom rom.
h.t.t.p://i63.tinypic.com/2d0ctwj.jpg
rabus40 said:
Hello!
My htc stuck on logo ,,this build is for development purposes only". Twrp and bootloader working. I can instal cm and other rom but after instal htc stuck in logo Please help me. How install a custom rom.
h.t.t.p://i63.tinypic.com/2d0ctwj.jpg
Click to expand...
Click to collapse
pic not working
Try:
clear cache and dalvik
remove USB cable before reboot.
You must delete . in h.t.t.p. I can't upload photo because I'm a new user. I try clear cache and dalvik and still not working
rabus40 said:
You must delete . in h.t.t.p. I can't upload photo because I'm a new user. I try clear cache and dalvik and still not working
Click to expand...
Click to collapse
yes but it wasnt loading.
OK so you installed HTC stock ROM but gets stuck?
is it the appropriate Rom for your phone or it might be corrupted. Reinstall and make sure its the right one.
Original ROM
Please tell me how to install ,, htc orginal backup" ?
rabus40 said:
Please tell me how to install ,, htc orginal backup" ?
Click to expand...
Click to collapse
download Stock ROM from link above
Make TWRP backup in your phone (not sdcard)
Replace Phone backup you just made with the one you download
In TWRP restore backup
Remove USB cable and Reboot
Flash Stock Recovery from link above
Reboot
Perform HTC OTA update
Reboot
Flash TWRP
Flash SuperUser if Root require
Reboot
Thank me...
Donate me...
Done
rabus40 said:
Hello!
My htc stuck on logo ,,this build is for development purposes only". Twrp and bootloader working. I can instal cm and other rom but after instal htc stuck in logo Please help me. How install a custom rom.
h.t.t.p://i63.tinypic.com/2d0ctwj.jpg
Click to expand...
Click to collapse
When i was stuck in that screen the only way i found to get out of it was to remove the back cover and disconnect the battery
I have the same problem
-I have rooted my htc mini2 and after a while decided to restore the original ROM but everytime i turn on the phone i have that red warning message.
One day i decided to delete de TWRP backup files bacause it takes a lot of space on my internal memory .
Yesterday my baterry died so when i was turning my phone it gets stuck on that message screen . So i can't get through because on my internal memory i don't have the TWRP files to backup or get into recovery mode.
Is there any solution? i was thinking about putting those files on my sd card and see if the phone will read them?
Tiburcio U123 said:
I have the same problem
-I have rooted my htc mini2 and after a while decided to restore the original ROM but everytime i turn on the phone i have that red warning message.
One day i decided to delete de TWRP backup files bacause it takes a lot of space on my internal memory .
Yesterday my baterry died so when i was turning my phone it gets stuck on that message screen . So i can't get through because on my internal memory i don't have the TWRP files to backup or get into recovery mode.
Is there any solution? i was thinking about putting those files on my sd card and see if the phone will read them?
Click to expand...
Click to collapse
Download Nandroid files for your phone and place it in SD Card via computer and then restore it via TWRP..
TryllZ said:
Download Nandroid files for your phone and place it in SD Card via computer and then restore it via TWRP..
Click to expand...
Click to collapse
Ok but how am i going to install TWRP on my phone? i've deleted . Is there a way of doing all this process completely on SD card?
Tiburcio U123 said:
Ok but how am i going to install TWRP on my phone? i've deleted . Is there a way of doing all this process completely on SD card?
Click to expand...
Click to collapse
No, not possible from SDCard alone, you have to flash TWRP by placing TWRP in PC ADB folder (ADB must be installed in PC and device should be able to enter bootloader and fastboot) and entering bootloader>fastboot on device, then connect device to PC, this only works on unlocked devices.
Command is :
fastboot flash recovery twrp.img
fastboot erase cache
Tiburcio U123 said:
I have the same problem
-I have rooted my htc mini2 and after a while decided to restore the original ROM but everytime i turn on the phone i have that red warning message.
One day i decided to delete de TWRP backup files bacause it takes a lot of space on my internal memory .
Yesterday my baterry died so when i was turning my phone it gets stuck on that message screen . So i can't get through because on my internal memory i don't have the TWRP files to backup or get into recovery mode.
Is there any solution? i was thinking about putting those files on my sd card and see if the phone will read them?
Click to expand...
Click to collapse
Hey, i had the same issue. After rooting my phone, when my phone died because of the low battery, the same thing happened to me.
The solution is pretty simple, actually - you have to restart the charging unit of your phone.
So what you gotta do is this:
leave it to charge a couple of minutes (so it will have enough power to boot again) and then just press all the buttons of your phone at the same time and hold it for up to 10 seconds, so power button + volume up + volume down.
This will restart your charging unit and it will get your phone to boot normally again. :fingers-crossed:
I don't know why this keeps happening, but I have to do it all the time, if my phone dies. So I try to make sure it has enough battary not to die, because it is just annoying.
i have the same problem. if you hold the power button + volume up you can reboot your phone if it is frozen.
petie2106 said:
i have the same problem. if you hold the power button + volume up you can reboot your phone if it is frozen.
Click to expand...
Click to collapse
the trick is to keep hold of power vol up & vol down for 2 mins,it will boot,reboot,boot,reboot loads of times,keep hold for at least 2 mins,once you let go it resets itself:good:
make sure you have a some means of installing Android back onto your phone placed on your SD card or internal storage
I recommend updating to the latest version of twrp before trying these (I used 3.0.2.0)
twrp>wipe>advanced wipe>select everything but: "/Micro SDCard" "/Internal Storage" "SD-EXT" and "USB-OTG
after that install Android by restoring from a recovery backup or instal a custom rom onto your device (whatever floats your boat)