Security error..no boot up - Sprint LG G3

Rooted the device flashed twrp did a backup..rebooted the phone now it wont boot up. Just stays on the lg logo reading security error!how can i bypass this? On my sprint g3 ls990zva

Did you find a solution to this? I have the same problem.

can you enter download mode? if so you can flash the ZV4 bootloader and that should fix your problem.

Related

[Q] Completely stuck / unusable phone (P769), please help!

The phone, a P769, is stuck with the weird touch screen. This occured when I flashed some kdz in an attempt to unlock the bootloader. Now I cannot flash any kdz as it gets stuck at 16% in the analysis stage when the phone is in SW upgrade mode. If I try to flash when the phone is turned on normally it gets stuck at 6% on the update stage. Fastboot will not work at all, and I can't boot into recovery to flash the fix for the screen... Please help.
Additional info: I can root it and install the recovery installer, but I can't boot into recovery.
Edit: Fixed the issue, finally.

LG G2 MINI D625 Bricked

Hello friends, I have a big trouble with this sh*t of phone. It entered in bootloop, and I didn't unlock its bootloader, so I can't enter download mode neither recovery. The only option that gives me, is the factory mode that does absolutely nothing, and it still is in bootloop.
So, do you know any way of making it boot into download to flash it?
Thanks
Hi! I have the same issue with my friend's phone, did you find a way to fix it?

Not able to enter fastboot mode on Moto E

Hi], i need some help with my Moto-E.
Its a rooted Moto-E with twrp as custom recovery. recently the battery died due to inactivity on my part with phone. Since then, it does not boot, does not charge. i tried even installing new battery but no luck. i have been trying to get into the fasboot mode to reflash the ROM (deodexed stock ROM). But it has been stuck on Unloacked bootloader screen and does not move further. Connecting with PC does no help (stuck on bootloader screen). Its not charging even. IS my phone bricked. How can i flash the rom again on it?
please help.
I have same issue. Can somebody help us plz?

Samsung SM-T580 FRP lock on

Hello, just need some help on this nightmare I’m having... so I went to unroot my Samsung tablet a6 smt580 and went to power it on and it won’t even boot and keeps flashing custom binary Frp lock on.. any guide of fixing my tablet? I used Odin3 and superSu
Bdell1073 said:
Hello, just need some help on this nightmare I’m having... so I went to unroot my Samsung tablet a6 smt580 and went to power it on and it won’t even boot and keeps flashing custom binary Frp lock on.. any guide of fixing my tablet? I used Odin3 and superSu
Click to expand...
Click to collapse
I don't know if your problem is that when you boot your tablet and it stucks in logo and it says "Custom Binary blocked by FRP lock" <-This message appears because you haven't unlock the Oem in developer options. The solution will be downloading a system for your model and flashing it by Odin. Due your device no longer turn on.

Bootloop Problem

Hi guys,
I've followed root guide and rooted my phone, than i installed xposed and my phone stuck at bootloop. Now i'm in fastboot mode and text says; "Phone Unlocked, FRP Lock". I don't have twrp in my system so i'm stuck. When i try to flash anything system won't let me. Please somebody can help me?
edit: I used this guide https://forum.xda-developers.com/hu...ution-bl-unlockedfrp-locked-fastboot-t3684302 and locked phone again, it's got worst. Bootloop still continues, and phone and frp locked together.

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