Device wont boot - Android Q&A, Help & Troubleshooting

Hello i own a overmax basecore and i have roota it and it was ok until i ran out of space so i came up with the idea of swapping my external sd card with the internal sd card
after that i rebooted my device and it will not boot.
The device is stuck on the boot animation

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[Q] SD formatting leading to boot loop.

Hi guys,
I have recently formatted my SD card on my computer, I then plugged the SD card into my X10 and it just shows a boot loop, I think this is because that there are no folders/files on the SD card, can anyone help me please?
Regards.

Accessing internal memory card when phone is boot looping

Just got my new phone, bad news is I kept backup data on my internal memory card because my external has wiped a total of 3 times (got a new card but still nervous about it). Is there a way to boot my phone and plug it in to enable me to access the internal memory card from my computer?

[Q] Wiped and formatted SD Card. Needed files for Android?

Ok so I wiped and formatted my SD Card to FAT32. I am in the reboot/recovery screen of my android with ClockworkMod and I noticed when I turned on USB Mass Storage, the SD Card is readable but there is nothing on it now. Is there any important files I am going to need to put on the SD Card for my android to function correctly on start up/running? Or will my android automatically put the correct files on the SD Card on boot? Haven't tried booting it yet lol..don't want to screw it up.
Skrail211 said:
Ok so I wiped and formatted my SD Card to FAT32. I am in the reboot/recovery screen of my android with ClockworkMod and I noticed when I turned on USB Mass Storage, the SD Card is readable but there is nothing on it now. Is there any important files I am going to need to put on the SD Card for my android to function correctly on start up/running? Or will my android automatically put the correct files on the SD Card on boot? Haven't tried booting it yet lol..don't want to screw it up.
Click to expand...
Click to collapse
There is no need for an external SD card to boot into the OS. You can start your system without the card or with the card erased or w/e. Good luck .

[Q] SD Card not Detecting but it shows in recovery mode

ANDROID PHONE NOT RECOGNIZING MY SD CARD
It just stopped mounting the SD card after I rebooted my phone (a Tecno N3), I tried other SD cards but same result. The SD shows in recovery mood, I have tried all I know to get it working, all to no avail.... Please what can I do? :crying:

TWRP dont work with SD Card

When i have my SD installed on my phone and try to enter on recovery mode (TWRP) it gets stuck on TWRP Boot logo, i need to pull my battery to shutdown the phone.
if i remove the SDCard and try to boot into recovery it works without any problem.
i installed TWRP through AutoRec from Play Store.
Now i'm on marshamallow and i use the SD Card as internal memory, so i dont know if i can remove it without cause any problems just to use TWRP.
jesus.sea said:
When i have my SD installed on my phone and try to enter on recovery mode (TWRP) it gets stuck on TWRP Boot logo, i need to pull my battery to shutdown the phone.
if i remove the SDCard and try to boot into recovery it works without any problem.
i installed TWRP through AutoRec from Play Store.
Now i'm on marshamallow and i use the SD Card as internal memory, so i dont know if i can remove it without cause any problems just to use TWRP.
Click to expand...
Click to collapse
When you decide to make your sd card "Adoptable (internal) Storage" your phone not only incorporates the card as internal, but it also ENCRYPTS your sd card. Now the only device that will read your card is your phone. Try and load it on a desktop or your laptop and it won't even recognize your card. Because it encrypts your SD CARD, TWRP cannot see your card and thus gets stuck on the TEAMWIN screen when booting into recovery. When you remove the card and reboot into recovery, then TWRP works again. How I fixed it is to go to storage, and settings and change the card back to "Transportable (extrnal) Storage." The phone will reformat your card again (thus erasing everything on the card) and make it external and able to be read from any device (laptop, desktop, etc.). This will also allow TWRP to see the card again and will not freeze on TEAMWIN screen when booting into recovery. Also, if you revert the sd card back to Transportable Storage, your phone will "remember" that you had an SD CARD assigned to Adoptable Storage. You need to click on that SD CARD and choose "FORGET" card. this will remove that SD CARD and assign your newly reformatted Transportable SD CARD as the only card on your phone. If you don't do this "FORGET" step, your camera, your gallery will force close everytime you try to open it because it is looking for the Adoptable SD CARD that you got rid of yet your phone still thinks it exists. Once you "FORGET" that SD CARD, your phone will function properly. I learned all this the hard way and hours and hours of reading.
TWRP - Does hybrid partitioning possible after SD Card reverting Int->Ext allocation?
texasjmzmd said:
When you decide to make your sd card "Adoptable (internal) Storage" your phone not only incorporates the card as internal, but it also ENCRYPTS your sd card. Now the only device that will read your card is your phone. Try and load it on a desktop or your laptop and it won't even recognize your card. Because it encrypts your SD CARD, TWRP cannot see your card and thus gets stuck on the TEAMWIN screen when booting into recovery. When you remove the card and reboot into recovery, then TWRP works again. How I fixed it is to go to storage, and settings and change the card back to "Transportable (extrnal) Storage." The phone will reformat your card again (thus erasing everything on the card) and make it external and able to be read from any device (laptop, desktop, etc.). This will also allow TWRP to see the card again and will not freeze on TEAMWIN screen when booting into recovery. Also, if you revert the sd card back to Transportable Storage, your phone will "remember" that you had an SD CARD assigned to Adoptable Storage. You need to click on that SD CARD and choose "FORGET" card. this will remove that SD CARD and assign your newly reformatted Transportable SD CARD as the only card on your phone. If you don't do this "FORGET" step, your camera, your gallery will force close everytime you try to open it because it is looking for the Adoptable SD CARD that you got rid of yet your phone still thinks it exists. Once you "FORGET" that SD CARD, your phone will function properly. I learned all this the hard way and hours and hours of reading.
Click to expand...
Click to collapse
Thanks a lot texasjmzmd for your diagnostic and fix, very helpful! TWRP documentation says nothing about possible hybrid partitioning Int+Ext to extend Internal memory keeping External capacity, except the menu proposing to allocate some memory (with no precision about memory units bytes/kbytes/mbytes). Some enlightment about that issue would be more than welcome : a link to documentation or any related post.

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