BootLoop and logging - Android Q&A, Help & Troubleshooting

Hi
I want to port MIUI ROM on SAMSUNG i9301i phone. On base ROM i used cm11 (by Rox) and i have ported ROM. But when i flash it via CWM recovery and i want to turn on system it stuck on MI Boot Animation ( after Samsung logo )
And my question is how can I get phone boot logs? when I want to use ADB after write command : adb devices it don't show devices or it show unauthorized -,- I don't have enabled USB Debugging in system. I can't do it becouse phone stucks on boot animation :/

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[Q] Help needed urgently Please

Hi guyz im new 2 xda
I have a serius prob actualy i have karbonn a1(clone of zte n721and also have same hardware and software of huawei pulse mini and huawei u8150) problem is that my device is stucked on boot logo and nothing is working like i tried to go into recovery mode and also in bootloader mode but no luck. also tried from pc with adb and fastboot but it also not worked (whenever i connect my phone to pc it automaticaly detected as adb interface)i also installed usb drivers correctly n still no luck
This happend when i tried to flash recovery n boot image via terminal emulater... when it giving me out of space error i rebooted my cell n this happend.... plz plz plz help me guyz
what exactly did u do ???u tried to flash cwm ?
No i mean i already succesfuly flashed cwm but still i could not go into recovery mode so i thought flashing custom recovery and boot image can solve this problem n then i tried to flash these 2 images via terminal emulater but then i got out of space error while flashing so i rebooted my cell n stucked on boot logo
did u try flashing othr custom rom ?
How can i flash other rom even i cant go into recovery mode

[Q] rooted reconnect android phone bootloop

I have created my a/c few days ago .but,i have read many threads of this site, as i'm satisfied for many answer , i am starting this thread.my phone is reconnect 4701 working on android 4.2.2 and linux 3.4.5 kernel ,<3e> stock recovery,mediatek chipset.this phone is latest release of "reconnect" a MUKESH AMBANI'S RELIANCE COMPANY.i'm a root user from beginning .now my phone in a bootloop , this is second time in 3 months of purchase.1 st time it's motherboard was replaced.but now i am helpless .usb debugging is off.i hard reset my phone few hours ago but no use .help me?
Use adb tools....
U have to flash your stock rom's system.img file to your system folder
bootloop
My bootloader is locked and usb debugging is off
bootloop
thanks for all who replied me and who replies me .please solve my problem .usb debugging is off and bootloader is locked .how to flash.help me
100% working
Put your system.img file in your adb's folder...start cmd...then connect your fon when its in bootloop...in adb u dont want to enable usb debugging...in cmd type
Adb reboot-bootloder ( your fon will start on fastboot mode... Whole black screen showing fast boot mode )
Then type
Fastboot flash /system system.img ( it flashes your system.img in your /system path to your fone )
Use your fon's stock system.img
bootloop
My device is not listed in adb mr.android_digger all drivers installed
Do u have installed adb drivers ??
pradeep reddy chimmula said:
My device is not listed in adb mr.android_digger all drivers installed
Click to expand...
Click to collapse
Google it " adb driver installer " u can use it to install adb drivers
bootloop
yes i have installed still cannot connect ,my bootloader is locked

[Q] Tried to port a ROM , stuck at boot.

Holla , i tried to port a ROM and it actually "Half" booting.
it boots into the Bootanimation and then stuck there , i ported Flyme 4 from XPERIA Z to Nexus 4.
The major issue is that I CANT ACCESS LOGCAT.
it says my device isn't authorised when i type adb devices
how do i "authorise" without the authorising dialog?

can't boot into recovery after install aosp 7.1.1 rom into my yu yuphoria

Guyz I just install 7.1.1 aosp ROM after installation I can't boot into recovery when I hold the buttons it boot into yuphoria logo and sticks into it
And also network issue on my phone
Can't install gapps
Can't root
Can't use adb operation on PC (it shows 'wait for the device)
Pls help me to ROOT my device or to BOOT into recovery mode
Pls pls pls

a blocked Cool 1

hi ,
i have installed a costum rom for my cool 1 c103 android 7.1
then i installed i different twrp so
it blocked when entring recovery mode is block at recovery picture
did not load
i tried to instal correct twrp by apps and root but did not work
Now , phone block and did not load in recover or normal mode
just turn on and stuck
tried adb flashing (cmd adb device not appear even by fastboot devices did nt appear )and by qfile but it seems not detected
all drivers are correct which used in 1st time (when connect phone hear sound of connect & no exclamation mark)

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