Rooted Sprint Galaxy S4 SPH-L720 but cannot boot into TWRP - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Phone: Sprint Galaxy S4 on 5.0.1 Lolipop
Model: SPH-L720
Rom: Stock
Build: L720VPUGOK3_L720SPTGOK3_SPR
Rooted: Yes via Chainfire
Primary use for this phone: To play Pokemon GO with whatever working technique for Systemless Xposed with Pokemon GO Control & Snorlax.
Why?: I got tired of flashing my Note 4 (N910H) variant and none of the techniques work for my phone at the moment.
I have flashed different versions of TWRP including older versions and none of them seem to work. I get a passed in Odin but when I attempt to boot into recovery, I get a black screen pause, vibration, and then it reboots normally into system.

Partial Solution:
1. Download Flashify (for root users) from Playstore
2. Download TWRP latest version twrp-3.0.2-0-jfltespr.img
3. Grant super user
4. Reboot
5. Now my phone boots into TWRP.
Update:
It looks like my bootloader is messed up. I can only boot into TWRP if I use the TWRP manager app. Well, I got a bootloop from unrooting a custom rom but was not able to boot into TWRP recovery. I flashed my stock firmware through Odin and attempted to boot into stock recovery and it's not there. All it does is shows a black screen, vibrates, then boots normally into system.

What did you use to root it? I have a Sprint L720 (not the T version) and can't find a tool that will root it.

Related

[Q] Can't install custom recovery - Note 3

I upgraded my Note 3 (N9005 LTE) to ofiicial kitkat 4.4.2 with Odin. I'm also rooted and everything working flawlessly, except I can't install neither TWRP, or CMW recovery, i tried both but geting bootloop with following messages:
Kernel is not seandroid enforcing
set warranty bit: kernel
And it just getting bootloop over and over. I can force download mode, and restart phone, and everything works great, except recovery.
I flashed recovery trough Odin, it's note first time I'm doing it, I followed instructions carefully, so doubt it was my error.
NOTE: After flashing CMW, after couple of bootlops,ODIN actually said PASS, still can't acess recovery, though...
Hope someone have a solution for this?
Thanks in forward
Make sure you are using the most recent recovery version:
[CWM] Kitkat compatible version by Chenglu
[TWRP] Kitkat compatible test version by the twrp maintainer
[TWRP] My (unofficial) kitkat compatible version
I am not getting bootloop but..
I do not have bootloop, but when I try to enter recovery mode the phone it says: Secure Fail Recovery. Then below the yellow triangle it says, System software not authorized by Verizon Wireless has not been found on your phone. Please turn off your phone and go to the nearest store for help. I was installing CWM for the Note 3. Anyone know how to fix this and install a custom recovery? I cannot enter recovery at all.

[Q] Can't get non-stock rom to boot

I recently bought a Defense Mobile (Radio Shack Prepaid, on store closing sale) GT-i9300i with the intentions on repurposing it on my ATT plan.
It presently has the ___AND1 (I can't remember the rest) baseband, 4.3 Stock rom, TTT region (trinidadtobango).
Anyway, I was able to use towelroot V1 to root it, install superSU from google play, intall superSU binary, ODIN TWRP or CWM, and boot to such , but then, after installing CM 11 or 12 (the unofficial ones by Rox), it reboots to the download screen, "normal boot failed"
FWIW I can ODIN the factory image back and then it boots back up, albeit 100% vanilla.
Any idea what needs to happen to make said roms work? Or did I somehow get one with a locked bootloader?
I went ahead and took the OTA update to 4.4.4... and rooted that. Same result, the only change being the installs from TWRP show as failed and the bootloader locks to the point of download mode not even working from button combo. However, I could get into TWRP and reboot to download mode from there, which did work, so I could odin over the newer image.
What gives?

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Hi, I am on official 6.0.1 from Samsung, I rooted my S5 using cf auto root, after that I tried to install twrp 3.0.2.0, I downloaded it from the twrp website, booted into download mode and installed it using Odin 3.10.7, it showed pass but when I tried to boot into recovery the screen went black & stayed that way. I had to remove the battery to reboot the phone but it then goes straight to download mode, no matter what I try it keeps booting into download mode. The only thing I can do is flash stock firmware.
Am I missing something or doing something wrong, I so want to get my S5 rooted & a rom installed. Thank you in advance

[HELP] Note 4 boot loop after installing TWRP recovery (possibly soft brick?)

I have Note 4 model N910H firmware 5.1.1 and I rooted it using chainfire method. I checked using root checker and it says my phone was rooted properly. So I install TWRP latest recovery using flashify. The phone rebooted to recovery mode fine but it says that my phone not rooted so I'm confused and I let TWRP rooted it again. After that I reboot to system and I can't enter it instead it was stuck looping samsung and android logo.
So, what can I do? I can enter TWRP recovery and download mode. I know I can flash it to stock 5.1.1 but I dont know what version to use from SamMobile (XID/XSE, I'm from Indonesia) and there's different PDA/CSC version. So if I just pick one of them and flash it to my phone will it be okay? I want to avoid flashing to be honest because the rom size is so big so is there's a way to fix it without flashing?
Any help would be appreciated. Thank you.

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I rooted my android and now whenever I switch it on the Samsung boot logo stays on but it never finishes the boot and when I remove the battery and boots it up it works perfectly. Can someone Pls help me for that long initial boots (I am a noob) because of it I can't update my android via flashfire
What is the phone's model #? How did you root?
The phone model is sgh-i337m and I rooted my phone using kingoroot and later replaced it with SuperSU because kingoroot was not letting me download anything and that meant not receiving any WhatsApp message.
I recommend flashing the latest stock ROM and then root by installing twrp and flashing supersu through twrp or flash a stock ROM and root using Odin and cfautoroot.

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