GALAXY S4 sph-l720t - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

hi
i have a problem with my sph -720t
i haven't used it since 4months ago and when today i decided to look at it , when i put it on the samsung logo just appears and stay for a long time without booting up and when i put on the recovery mode it is the same historyy except that at the top left corner it is writen RECOVERY BOOTING.....
its boots in to the DOWNLOAD MODE well ..so i have flashed the lastest PL1 ROM and it is the same history..i dont knw what to do and on download mode is as seen on the image below...PLease someOne HELP ME...

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[Q] Help my s4 not booting! Even download mode freezes

I have galaxy s4 i9500 running arrow rom v11 which is android 4.3
And Presus kernel. No changes have been made everything (including CPU) is stock. My phone is working for a few months and suddenly yesterday while I was texting it turned and reeboted. Since then it reebots itself automatically whenever I insert battery. Plus it stuck on samsung logo and makes boot loops. It doesn't let me enter recovery mode and when I go to download mode, it says warning then I click volum up(continue) and then it freezes for 2 secs and reebots itself(I can't see the download mode.. Is it normal? Why?) I don't know what to do what happened plz help
??????
darixtorento said:
??????
Click to expand...
Click to collapse
remove battery for a while
boot in DL mode and see
what to do?? helpppppp
??????????????????????????
darixtorento said:
I have galaxy s4 i9500 running arrow rom v11 which is android 4.3
And Presus kernel. No changes have been made everything (including CPU) is stock. My phone is working for a few months and suddenly yesterday while I was texting it turned and reeboted. Since then it reebots itself automatically whenever I insert battery. Plus it stuck on samsung logo and makes boot loops. It doesn't let me enter recovery mode and when I go to download mode, it says warning then I click volum up(continue) and then it freezes for 2 secs and reebots itself(I can't see the download mode.. Is it normal? Why?) I don't know what to do what happened plz help
Click to expand...
Click to collapse
first of all, before you flash this arrow room, which version of samsung android u had?, if u had 4.2.2 u can still flash official rooms via odin, from 4.3 u cannot, the only way would be if you make a backup of ur sgs4..., customs roms can brick your phone (for me the safest one is cyanogenmod, but in a sgs4 only when the phone never were updated with android 4.3 on 4.4.2), try JTAG to fix it(not u, an expert needs to do this...)
PS: sorry for my bad english(still learning)

Stuck on recovery booting

Hello,
Forgive me if i make any mistakes never had to do this before. i tried installing stock firmware on my rooted S5 i made sure it was the right firmware and such (i hope) so i tried putting the firmware onto my phone via odin i left it to do its thing once it did its thing it restarted the device and now its stuck on the samsung galaxy s5 logo and in the top left of the screen blue text saying "recovery booting...." and its stuck at this screen ive tried everything i can find around heres what ive tried.
Tried booting into recovery via the up volume home and power at once and it just keeps going back to that screen for ever ive tried removing the battery for abit and trying again ive plugged it into the pc and its not being reconised im running out of ideas and about to run around in circles on the floor lmao.
Sorry again if this is in the wrong place and such and any help would be greatly appreciated
Thanks alot!
Simply, once you are stuck on galaxy s5 logo first time, go back to download mode, install the firmware again, should work!
No idea why but I have to install the firmware twice for it to work .. weird

note 4 SM-N910F stuck on recovery booting...

Please if someone can help me , few days ago i updated my galaxy note 4 SM_N910F
to 5.1.1 using Odin everything was working fine but after 5days i rebooted the fone bcz it was starting to freez the fone refuse to start it was displaying samsung logo and " recovery booting.... " on the top left corner and keep rebooting and stuck on that. I tried to enter recovery mode in vain also try to flash it via odin with different roms still not working. (the fone is not rooted)
I dont know what to do now Please help me

samsung galaxy s5 stuck at twrp logo , flashing every 5 seconds

ok so I have rooted my samsung galaxy s5 for a while now , It was working fine until today when I flashed the rom for android 6.0 from android 5.1 , when it went downhill . The keyboard won't work , which means I cannot do anything on the phone . I tried to go to my storage with my computer , it shows "samsung galaxy s5" but then when I click it , it indicates that the file is empty. I then proceeded to factory reset my phone in settings , which brought me to the recovery screen. However , when it boots up into my recovery(TWRP) , it just stucks at the TWRP logo screen which means that I don't get the options , which also means I cannot do anything . the TWRP logo just flashes every 5 seconds or so. I tried to remove the battery to boot back up normally but jesus good lord , it just goes back to recovery mode on its own . This naturally means that my computer will not be able to recognize my device which means I won't be able to do anything on the computer to help my phone . Someone please help me , thanks alot !!
Flash TWRP 3.0.0.0 again?
Flash a stock ROM, and start from scratch?
Which model S5?

S4 GT-I9515 Black Edition XSG stuck on logo screen

I have Samsung S4 GT-I9515 LTE Black Edition bought in UAE. I had official Android Lollipop updated through air.
Few days ago my phone switched off automatically and when i tried to switch back on it was stuck on Samsung S4 Logo screen. I tried getting in into Android System Recovery by press VolUp+Home+Power but i see the same logo screen with Recovery Booting.... message on the top right corner of the phone, it does not go any further than that.
I am just able to start the download mode in my phone. So i tried flashing it with the stock rom of ver. 4.4.2 which i downloaded from sammobile I9515XXU1ANL1_I9515YJV1AOB1_XSG. After many failed attempts i was finally flash the rom successfully but the problem was not solved.
If i start the mobile in recovery mode it gets off after been stuck on recovery booting screen. if i connect the charger while keeping the mobile off it keeps on vibrating every one second. if i try simple power start it is stuck on the logo screen forever.
Please help me to start my phone i am new to learning flashing phone so please tell me if i am doing anything wrong. Thanks.
mujtaba9999 said:
I have Samsung S4 GT-I9515 LTE Black Edition bought in UAE. I had official Android Lollipop updated through air.
Few days ago my phone switched off automatically and when i tried to switch back on it was stuck on Samsung S4 Logo screen. I tried getting in into Android System Recovery by press VolUp+Home+Power but i see the same logo screen with Recovery Booting.... message on the top right corner of the phone, it does not go any further than that.
I am just able to start the download mode in my phone. So i tried flashing it with the stock rom of ver. 4.4.2 which i downloaded from sammobile I9515XXU1ANL1_I9515YJV1AOB1_XSG. After many failed attempts i was finally flash the rom successfully but the problem was not solved.
If i start the mobile in recovery mode it gets off after been stuck on recovery booting screen. if i connect the charger while keeping the mobile off it keeps on vibrating every one second. if i try simple power start it is stuck on the logo screen forever.
Please help me to start my phone i am new to learning flashing phone so please tell me if i am doing anything wrong. Thanks.
Click to expand...
Click to collapse
You do not need to flash 4.2.2 as the boot loader has now changed. Find lollipop 5.0.1 for the phone you have on Sammobile and flash that instead. Make sure it is for UAE black addition.

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