[Q] Recreate EFS partition? - Galaxy Tab 2 Q&A, Help & Troubleshooting

Hello, I have a P5100. I had some problems with the EFS folder, and I think I made a mess.
Before I saw the mount /efs in recovery mount, now disappeared, and when I try to restore the imei with nav_data.bin does not work.
Could someone help me?
I can still see the folder / efs, but looking at the partitions I only see these:
Code:
./adb shell mount
rootfs on / type rootfs (rw)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,seclabel,relatime)
tmpfs on /storage type tmpfs (rw,seclabel,relatime,mode=050,gid=1028)
tmpfs on /mnt/secure type tmpfs (rw,seclabel,relatime,mode=700)
tmpfs on /mnt/fuse type tmpfs (rw,seclabel,relatime,mode=775,gid=1000)
/dev/block/platform/omap/omap_hsmmc.1/by-name/CACHE on /cache type ext4 (rw,seclabel,relatime,user_xattr,barrier=1,journal_async_commit,data=ordered,noauto_da_alloc,discard)
I can recreate it? How?
Once rebuilt, I have an old copy of the EFS folder that contain the files:
Code:
FactoryApp
imei
nv_data.bin
redata.bin
wv.keys
bluetooth
nv.log
nv_data.bin.md5
wifi
Could you tell me the exact steps to take to get back the imei correct?
HELP Thank you.

Related

I9008L system info

/ # mount
rootfs on / type rootfs (ro,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/asec type tmpfs (rw,relatime,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
/dev/block/stl9 on /system type rfs (ro,relatime,vfat,log_off,check=no,gid/uid/)
/dev/block/stl10 on /data type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,)
/dev/block/stl11 on /cache type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no)
/dev/block/stl3 on /efs type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,gi)
/dev/block/stl6 on /mnt/.lfs type j4fs (rw,relatime)
debugfs on /debug type debugfs (rw,relatime)
/dev/block/vold/179:1 on /mnt/sdcard type vfat (rw,dirsync,nosuid,nodev,noexec,)
/dev/block/vold/179:1 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,no)
tmpfs on /mnt/sdcard/.android_secure type tmpfs (ro,relatime,size=0k,mode=000)
vold.fstab
http://hotfile.com/dl/131250498/745fe23/vold.fstab.html
hoho9043 said:
/ # mount
rootfs on / type rootfs (ro,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/asec type tmpfs (rw,relatime,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
/dev/block/stl9 on /system type rfs (ro,relatime,vfat,log_off,check=no,gid/uid/)
/dev/block/stl10 on /data type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,)
/dev/block/stl11 on /cache type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no)
/dev/block/stl3 on /efs type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,gi)
/dev/block/stl6 on /mnt/.lfs type j4fs (rw,relatime)
debugfs on /debug type debugfs (rw,relatime)
/dev/block/vold/179:1 on /mnt/sdcard type vfat (rw,dirsync,nosuid,nodev,noexec,)
/dev/block/vold/179:1 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,no)
tmpfs on /mnt/sdcard/.android_secure type tmpfs (ro,relatime,size=0k,mode=000)
vold.fstab
http://hotfile.com/dl/131250498/745fe23/vold.fstab.html
Click to expand...
Click to collapse
Uh? In the wrong section?

resolved problem after flashing efs partition

hello
i have this cel i9003 , i have before the kpu clean ..
i flash like stock ...
now i dont have efs folder , or partition problem
see my terminal ...:
Code:
# mount
mount
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,relatime,mode=755 0 0
devpts /dev/pts devpts rw,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/stl9 /system rfs ro,relatime,vfat,log_off,check=no,gid/uid/rwx,iochar
set=utf8 0 0
/dev/block/mmcblk0p3 /data rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/ui
d/rwx,iocharset=utf8 0 0
/dev/block/stl10 /dbdata rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/
rwx,iocharset=utf8 0 0
/dev/block/stl11 /cache rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/r
wx,iocharset=utf8 0 0
/dev/block/stl6 /mnt/.lfs j4fs rw,relatime 0 0
debugfs /debug debugfs rw,relatime 0 0
/dev/block/vold/179:1 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,noatime,no
diratime,uid=1000,gid=1015,fmask=0002,dmask=0002,a llow_utime=0020,codepage=cp437
,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
#
how i can to repair that issue?
You said you want to go to stock rom from clean kpu?
my firm was kpu clean , i make root , cmw , and ext4 internal sd card
i wanted installing this firm :
http://forum.xda-developers.com/showthread.php?t=1449649
i couldn t installing this firm getting many error
so i downgrade my cel with this firm stock kpe with odin
with this tut:
http://www.wuala.com/bees/KPE%20-%20KPU?lang=es
after my cel flashing , i lost my imei , base band ,for that reason i post my termimal
i dont understand why i lost my efs partition ...
i have backup of nv_data.bin
the partition of efs is stl3 ?
thank you to help me
no body know?
i repair this issue my self !!!!
i repair this issue myself :
i find in the web this file efs.tar , just with odin i put in pda and i have back imei general and base band .
now i have this fake imei : Fake IMEI (usually 004999010640000)
after just to replace your backup nv_data.bin with root explorer to get back your imei original
tut here :http://forum.xda-developers.com/showthread.php?t=859914
have fun !!!!!
after make that you must have backup the st3 bloc
like that :
HTML:
su
cat /dev/block/stl3 > /sdcard/efs_dev-block-stl3.img (OR)
busybox cat /dev/block/stl3 > /sdcard/efs_dev-block-stl3.img
this is the partition of efs.rfs
i have almost similar problem. my phone is showing blank IMEI number . now i have flashed your efs.tar but the IMEI field is still completely blank. i dont understand what i did wrong. can you please tell me what was your firmware version when you flashed the efs.tar ?
tamoghno said:
i have almost similar problem. my phone is showing blank IMEI number . now i have flashed your efs.tar but the IMEI field is still completely blank. i dont understand what i did wrong. can you please tell me what was your firmware version when you flashed the efs.tar ?
Click to expand...
Click to collapse
hello !!!
can you show your mount ?
su and mount ...with terminal
if you haven t the line with efs so your particion is bad ...
if you have the line so your nv_data.bin is here but corrupt
use adb shell with your computer if you can
maybe better to flash back with firm kpe
do you have backup of nv_data.bin ?
and when you get mode downloading did you put this file efs.tar in pda ..?
hope i can to help you
this is output of my mount command :
export PATH=/data/local/bin:$PATH
$ $su
# mount
rootfs / rootfs ro,relatime 0 0
tmpfs /dev tmpfs rw,relatime,mode=755 0 0
devpts /dev/pts devpts rw,relatime,mode=600 0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/stl9 /system rfs ro,relatime,vfat,log_off,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/block/mmcblk0p3 /data rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/block/stl10 /dbdata rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/block/stl11 /cache rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/block/stl3 /efs rfs rw,nosuid,nodev,relatime,vfat,llw,check=no,gid/uid/rwx,iocharset=cp437 0 0
/dev/block/stl6 /mnt/.lfs j4fs rw,relatime 0 0
debugfs /debug debugfs rw,relatime 0 0
/dev/block/vold/179:1 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
/dev/block/vold/179:9 /mnt/sdcard/external_sd vfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
/dev/block/vold/179:9 /mnt/secure/asec vfat rw,dirsync,nosuid,nodev,noexec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
tmpfs /mnt/sdcard/external_sd/.android_secure tmpfs ro,relatime,size=0k,mode=000 0 0
#
i can see the efs partition in root explorer also so i guess the partition is ok.
i also have backup of efs folder .
i have downgraded to XXKB3 2.2 to try to restore the IMEI .
i put the efs.tar in pda and flashed as usual . should i tick the "phone efs clear" option ?
did your phone show completely blank imei or did it show "null" ?
cool you have efs particion good
oki you have partition good !!!
so i sugest you flash again with kpe push case efs clear
i give you the file : http://www.wuala.com/bees/KPE%20-%20KPU?lang=es
you flash pit first , when you have blank screen , you take of the batery .
after you flash firm like we make all time
boot loader = apboot
pda = code
phone =modem
csc=csc
push case efs clear
reboot
when you see all done and the cel is oki
get mode download again
put the most important file : efs.tar in pda odin
you should to reboot , and now you have generic imei ...0049
you put this file with odin to get root and cmw:
http://forum.xda-developers.com/showthread.php?t=1351056
install root explorer
after you need to replace you nv_data.bin and delete nv_data.bin.md5 dont worry the systeme make it again !!!!
i know its very difficult to find info about efs particion or other thing for that reason i share that for all , you dont need expensive machine you can make all with odin only with the possibility to get mode download ...
dont mess your bootloader ...
have fun
my hh was imei unknown n baseband also...
how to fix it...
# su
su
# mount
mount
rootfs on / type rootfs (rw,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=111)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/asec type tmpfs (rw,relatime,mode=755,gid=1000)
tmpfs on /mnt/obb type tmpfs (rw,relatime,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
/sys/kernel/debug on /sys/kernel/debug type debugfs (rw,relatime)
/dev/block/stl9 on /system type rfs (rw,relatime,vfat,llw,check=no,gid/uid/rwx,i
ocharset=utf8)
/dev/block/mmcblk0p3 on /data type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=
no,gid/uid/rwx,iocharset=utf8)
/dev/block/stl10 on /dbdata type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no
,gid/uid/rwx,iocharset=utf8)
/dev/block/stl6 on /mnt/.lfs type j4fs (rw,relatime)
debugfs on /debug type debugfs (rw,relatime)
/dev/block/stl11 on /cache type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,
gid/uid/rwx,iocharset=utf8)
/dev/block/vold/179:1 on /mnt/sdcard type vfat (rw,dirsync,nosuid,nodev,noexec,n
oatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020,codep
age=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro,discard)
/dev/block/vold/179:17 on /mnt/sdcard/external_sd type vfat (rw,dirsync,nosuid,n
odev,noexec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_uti
me=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-r
o)
/dev/block/vold/179:17 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,no
exec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020
,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
tmpfs on /mnt/sdcard/external_sd/.android_secure type tmpfs (ro,relatime,size=0k
,mode=000)
#
what should i do ?
i still dont have the imei after i flashed efs.tar
what should i do ?
i already flashed xxkpe firmware and flashed efs.tar.
celica7 said:
oki you have partition good !!!
.....
put the most important file : efs.tar in pda odin
you should to reboot , and now you have generic imei ...0049
Click to expand...
Click to collapse
Hey dude, after flashing efs.tar there is no generic imei..
Any idea? :crying:
cheeyeen said:
Hey dude, after flashing efs.tar there is no generic imei..
Any idea? :crying:
Click to expand...
Click to collapse
Me too
I too flashed this. But nothing has happened
Same issue
C:\Program Files (x86)\Android\android-sdk\platform-tools>sets
'sets' is not recognized as an internal or external command,
operable program or batch file.
C:\Program Files (x86)\Android\android-sdk\platform-tools>sets android
'sets' is not recognized as an internal or external command,
operable program or batch file.
C:\Program Files (x86)\Android\android-sdk\platform-tools>su
'su' is not recognized as an internal or external command,
operable program or batch file.
C:\Program Files (x86)\Android\android-sdk\platform-tools>/system/bin/sh
The system cannot find the path specified.
C:\Program Files (x86)\Android\android-sdk\platform-tools>adb shell
~ # /system/bin/sh
/system/bin/sh
# sets diag mode
sets diag mode
sets: not found
# mount
mount
rootfs on / type rootfs (rw,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=111)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/asec type tmpfs (rw,relatime,mode=755,gid=1000)
tmpfs on /mnt/obb type tmpfs (rw,relatime,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
/sys/kernel/debug on /sys/kernel/debug type debugfs (rw,relatime)
/dev/block/stl9 on /system type rfs (ro,relatime,vfat,log_off,check=no,gid/uid/r
wx,iocharset=utf8)
/dev/block/stl3 on /efs type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,gid
/uid/rwx,iocharset=cp437)
/dev/block/mmcblk0p3 on /data type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=
no,gid/uid/rwx,iocharset=utf8)
/dev/block/stl10 on /dbdata type ext4 (rw,nosuid,nodev,noatime,barrier=1,data=or
dered,noauto_da_alloc)
/dev/block/stl11 on /cache type rfs (rw,relatime,vfat,llw,check=no,gid/uid/rwx,i
ocharset=utf8)
/dev/block/stl6 on /mnt/.lfs type j4fs (rw,relatime)
debugfs on /debug type debugfs (rw,relatime)
/dev/block/vold/179:1 on /mnt/sdcard type vfat (rw,dirsync,nosuid,nodev,noexec,n
oatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020,codep
age=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro,discard)
/dev/block/vold/179:17 on /mnt/sdcard/external_sd type vfat (rw,dirsync,nosuid,n
odev,noexec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_uti
me=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-r
o)
/dev/block/vold/179:17 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,no
exec,noatime,nodiratime,uid=1000,gid=1015,fmask=0002,dmask=0002,allow_utime=0020
,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
tmpfs on /mnt/sdcard/external_sd/.android_secure type tmpfs (ro,relatime,size=0k
,mode=000)
#
I have efs folder. But my IMEI is missing.
Did any resolve this issue.

(Q)Please Help My HH was unknown IMEI

my hh was imei unknown n baseband also...
how to fix it...
# su
su
# mount
mount
rootfs on / type rootfs (rw,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=111)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt/asec type tmpfs (rw,relatime,mode=755,gid=1000)
tmpfs on /mnt/obb type tmpfs (rw,relatime,mode=755,gid=1000)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
/sys/kernel/debug on /sys/kernel/debug type debugfs (rw,relatime)
/dev/block/stl9 on /system type rfs (rw,relatime,vfat,llw,check=no,gid/uid/rwx,i
ocharset=utf8)
/dev/block/mmcblk0p3 on /data type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=
no,gid/uid/rwx,iocharset=utf8)
/dev/block/stl10 on /dbdata type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no
,gid/uid/rwx,iocharset=utf8)
/dev/block/stl6 on /mnt/.lfs type j4fs (rw,relatime)
debugfs on /debug type debugfs (rw,relatime)
/dev/block/stl11 on /cache type rfs (rw,nosuid,nodev,relatime,vfat,llw,check=no,
gid/uid/rwx,iocharset=utf8)
/dev/block/vold/179:1 on /mnt/sdcard type vfat (rw,dirsync,nosuid,nodev,noexec,n
oatime,nodiratime,uid=1000,gid=1015,fmask=0002,dma sk=0002,allow_utime=0020,codep
age=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro,discard)
/dev/block/vold/179:17 on /mnt/sdcard/external_sd type vfat (rw,dirsync,nosuid,n
odev,noexec,noatime,nodiratime,uid=1000,gid=1015,f mask=0002,dmask=0002,allow_uti
me=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-r
o)
/dev/block/vold/179:17 on /mnt/secure/asec type vfat (rw,dirsync,nosuid,nodev,no
exec,noatime,nodiratime,uid=1000,gid=1015,fmask=00 02,dmask=0002,allow_utime=0020
,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
tmpfs on /mnt/sdcard/external_sd/.android_secure type tmpfs (ro,relatime,size=0k
,mode=000)
#
what should i do ?

logcat of system hanging during boot. whats going on?

its in a pastebin link. anyone help with looking at this? i am lost
http://pastebin.com/YQEuL5MS
ok. THINK it is no writing it to the phone. almost like it does not have r/w permissions. anyone have ideas on this as to why??
psycopanther said:
ok. THINK it is no writing it to the phone. almost like it does not have r/w permissions. anyone have ideas on this as to why??
Click to expand...
Click to collapse
is this a correct mount structure?
mount
rootfs on / type rootfs (rw)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
/dev/block/mmcblk0p15 on /data type ext4 (ro,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered)
/dev/block/mmcblk0p17 on /cache type ext4 (rw,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered)
~ # ←[6n
boom. pretty sure i know where phone is screwed up.
mount
rootfs on / type rootfs (rw)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
/dev/block/mmcblk0p15 on /data type ext4 (ro,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered)
/dev/block/mmcblk0p17 on /cache type ext4 (rw,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered)
/dev/block/mmcblk0p14 on /system type ext4 (rw,relatime,user_xattr,barrier=1,data=ordered)
the /dev/block/mmcblk0p15 is set to RO, so when booting up, the phone cannot write the data from /system (which is where rom is stored and used in factory restore) to /data inorder to boot and save everything i do!
cant figure out how to change it though. does ANYBODY know if this is what my problem is. i really need some guru advice here
sorry, but five posts and no one has a clue? everyone over on the android dev threads aint they lol
THIS THREAD IS DONE WITH. IT SHOULD NOW BE LOCKED OR DELETED.
PLEASE see THIS thread for updates on this issue: http://forum.xda-developers.com/showthread.php?p=30386309#post30386309

Error with permisions

I have a Xiaomi 4c and TWRP without rooting. The 4c ​​only has internal memory. The twrp when it opens always asks me to put the memory as read only and I think the last time I opened it was applied. The problem is that now It dont load the twrp and several applications can not save files in memory (I get error that does not have permission) it does not let me install the TWRP again, also using adb (error that I do not have permission). Trying to install it otherwise gives error. I tried to change write permissions but either I do not do it right or I continue without permission. Also it do not let me do hard reset or install another recovery. suggestions?
(This is the result of mount)
libra:/ $ mount
rootfs on / type rootfs (ro,seclabel)
tmpfs on /dev type tmpfs (rw,seclabel,nosuid,relatime,size=908932k,nr_inodes=227233,mode=755)
devpts on /dev/pts type devpts (rw,seclabel,relatime,mode=600)
none on /dev/memcg type cgroup (rw,relatime,memory)
none on /dev/cpuctl type cgroup (rw,relatime,cpu)
none on /dev/cpuset type cgroup (rw,relatime,cpuset,noprefix,release_agent=/sbin/cpuset_release_agent)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
proc on /proc type proc (rw,relatime,gid=3009,hidepid=2)
sysfs on /sys type sysfs (rw,seclabel,relatime)
selinuxfs on /sys/fs/selinux type selinuxfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,seclabel,relatime)
pstore on /sys/fs/pstore type pstore (rw,seclabel,relatime)
none on /sys/fs/cgroup type tmpfs (rw,seclabel,relatime,size=908932k,nr_inodes=227233,mode=750,gid=1000)
none on /sys/fs/cgroup/memory type cgroup (rw,relatime,memory)
none on /sys/fs/cgroup/freezer type cgroup (rw,relatime,freezer)
none on /var type tmpfs (rw,seclabel,relatime,size=908932k,nr_inodes=227233,mode=770,gid=1000)
none on /acct type cgroup (rw,relatime,cpuacct)
tmpfs on /mnt type tmpfs (rw,seclabel,relatime,size=908932k,nr_inodes=227233,mode=755,gid=1000)
/dev/fuse on /mnt/runtime/default/emulated type fuse
(rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/read/emulated type fuse
(rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
/dev/fuse on /mnt/runtime/write/emulated type fuse
(rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
none on /config type configfs (rw,relatime)
/dev/block/bootdevice/by-name/system on /system type ext4 (ro,seclabel,noatime,data=ordered)
/dev/block/bootdevice/by-name/userdata on /data type ext4
(rw,seclabel,nosuid,nodev,relatime,discard,noauto_da_alloc,data=ordered)
/dev/block/bootdevice/by-name/cust on /cust type ext4 (rw,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/cache on /cache type ext4 (rw,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/persist on /persist type ext4 (rw,seclabel,nosuid,nodev,relatime,data=ordered)
/dev/block/bootdevice/by-name/modem on /firmware type vfat
(ro,context=ubject_r:firmware_file:s0,relatime,uid=1000,gid=1000,fmask=0337,dmask=0227,codepage=437,iocharset=i
so8859-1,shortname=lower,errors=remount-ro)
/dev/block/bootdevice/by-name/bluetooth on /bt_firmware type vfat
(ro,context=ubject_r:bt_firmware_file:s0,relatime,uid=1002,gid=3002,fmask=0337,dmask=0227,codepage=437,iocharse
t=iso8859-1,shortname=lower,errors=remount-ro)
tmpfs on /storage type tmpfs (rw,seclabel,relatime,size=908932k,nr_inodes=227233,mode=755,gid=1000)
/dev/fuse on /storage/emulated type fuse
(rw,nosuid,nodev,noexec,noatime,user_id=1023,group_id=1023,default_permissions,allow_other)
tmpfs on /storage/self type tmpfs (rw,seclabel,relatime,size=908932k,nr_inodes=227233,mode=755,gid=1000)
libra:/ $

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