Phone rebooting and sometimes gives off a security error - T-Mobile Galaxy Note 4 Q&A, Help & Troubleshooting

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I had my phone rooted however recently it started rebooting every hour or so with sometimes rebooting back to home screen and sometimes giving this error
It also starts to get pretty hot
secure fail modem
Security Error: This phone has been flashed with an unauthorized software
I tried flashing the latest firmware and factory reseting
and even then the same symptoms however surprisingly when its setting up on optimizing app screen it doesnt reboot
or when its twrp boot screen it doesnt restart
I am not sure what to
Can someone please help me

latest update
so it turns out if i use a s7 ported rom where I need to flash a data fix and I dont flash the data fix my phone works fine
I obviously dont get any signals but it works fine and no reboots so if anyone has any clue of what the issue is

Related

[Q] note acting really wired

recently my note was in the warranty center being fixed because (as they say) the motherboard was infected by a virus
anyway i fixed it and worked fine for few days but then it started shutting down by itself ! first it was 1-2 times a week but now it does that like every day 2-3 times and it lags like hell ! and its just too slow and every time it shuts off or lags i have to take off the battery then put it back ! also it keeps removing subway surfers every time i install it it is just removed by it self and i have to re install it again and i have no idea why this particular app ! i wanted to send it back but i rooted my phone and i cant get rid of of the root i didn't root using supersu with the little robot i rooted using another thing by flashing it with odin it has a blue hash sign . i tried to git rid of it but i cant i tried flashing the rom many times but it wont go away although now i keeps getting me a massege that su binary is out of date when i try to uninstall it it wont so when i open it it gived an option of reinstalling it when i do that it says error and i dont know whats the problem with my mobile can anyone help me please
anyone ?
Try installing stock GB ROM with PC Odin after Odin is done you might get stuck on logo screen if that happens go to recovery and do a wipe data/factory reset and it should boot if all goes well you should have a stock GB phone. Then you can start from scratch if the phone is working correctly
sent from the the darkness

[Q] Problems with my S4 ACTIVE

I have a problem with my Samsung I9295... After a change of the Charge/USB Pin conector, I broke mine, the phone started to fail... I turned on the phone and in 5 min or so of it being turned on the screen turn off, sort of, you are only able to see the battery bar.... The after a while even the keyboard and some apps stop working... I did a Factory Reset via recovery and try to do a Wipe Cache, the Wipe Cache FAILED... The Phone still with the same problem.... So I did flash a new firmware downloaded from Sammobile... Everything good, except for other problems similar to the one I had before... Laggy phone, no way to turn off the phone via the software, and when I turn off the display you can see the samsung logo faded, and no way yo turn it back, I had to turn off the phone and it takes forever to restart, sometimes turning on the phone it get stuck in the lock screen and then it restart alone and get stuck in samsung logo, I have to turn it off and then On and the it works....
I also try to flash a 4.2.2 official firmware and everytime with every firmware I downloaded ODIN gives me a Failed Messages...
Any idea on why its doing this?
Thanks for your help...

Note 5 stuck in loop while updating firmware at %24

Hi All,
Sorry if this is asked before. I have a new Note 5 unlocked. I turned it on yesterday and started using it. Late at night, its screen froze. I tried pressing Power+Volume_Down buttons to restart the phone. The phone restarted but the the screen was black. Only the notification light was on (blue).
In the morning, the light was still on and the phone was froze. I tried restarting it and I succeeded it. Then I realized the phone was very, I mean veeeery slow. By the time, a firmware update notification popped up. I believe it was Marsmallow update. I hit the yes button. The phone started the update and was stuck at %24. Then it restarted itself. The update process starts over and when it reaches %24, it starts over.
This happened before with my note 4 when I tried to root it. This phone is brand new and is not rooted. However, I transferred my Google profile but I did not select to download my previous apps. So, I don't think it is rooting issue but stucking at the same percentage makes me nervous.
I tried to get into recovery mode but the button combination does not work at all. So I can neither factory reset nor clear the cahe partition. When I press Volume_Down+Home+Power buttons, a custom rom download screen appears but Volume_Up+Home+Power buttons do not work at all. I cannot shut off the phone. It constantly restarts itself, starts the update, fails at %24 and starts the process over again.
What might be the problem? How can I fix this?
Regards
Hi,
Try flashing some stockfirmware via Odin (ideally something of the same android version i.e. lollipop/marshmallow). Once it's installed you should be able to access recovery from which I strongly recommend clearing your cache afterwards as you've already suggested. If you are not worried about loosing any data, then flash new firmware that is inclusive of BL/CP/CSC files too (each one has a category for such in Odin). With the latter, by all means flash marshmallow etc. :good:
Regards

Note 5 freezes, reboots without any apparent reason

Since a few days now, my Note 5 N920C just randomly freezes, hangs and reboots. Sometimes the screen goes black and then it reboots sometimes the screen is just the last thing i was using and then it reboots. It even happens when im in recovery trying to flash a zip or when the phone is switched off and charging.
I have tried:
1) Wiping Cache
2) Wiping all data / Factory reset
3) Safe mode (Still reboots)
4) Uninstalling all apps
5) Flashing stock firmware from Samsung Smart Switch
6) Rooting and flashing a new kernel (SkyHigh)
After all of this i still have the same problem. Is there something else i can do? Phone is not in warranty so i really want to make sure there is nothing else i can do to fix or understand the problem before spending money on repairs.
Thanks in advance
Have you checked that there is no power-related issues with the device?

please help a person who doesn't know much about ROMs, kernels, root and so on.

i'm in desperate need for guide please,
so i first off i had some questions (excuse my stupidity but i really couldn't find any answers around)
1) can an never-rooted android device's build number change or is it always the same? like with stock/official updates only?
2) my recovery mode (stock/system recovery) aborts every single installation file (official rom from the Asus website) without even opening the package, it's like i press 'install update from sd card' then as i press the zip file, it immediately says 'installation aborted' without even typing any other significations/steps, and the same happened for the kernals zip files too. so does that mean my recovery mode is corrupted or something is wrong with it?
3) i noticed some slight changes in my recovery since the last bootloop i had and had to use it back then, for example the dead android screen appearing after choosing the recovery mode, at first it used to say 'no command' under the dead android, but this time it doesn't say anything, just the dead android image only until i press power button and volume up to get the recovery options. so does that mean my firmware version changes since last time or my recovery is corrupted or it just means nothing?
4) is there aNYWAY to know my build number of a phone in bootloop (not rooted but bootloader unlocked)
so my initial problem is; i had my asus zenfone go zc500tg on march 2016. it was working so fine actually (using it like a default user not actually knowing anything about roms/flashing/recovery etc) until july of 2017 when i noticed my phone was a bit slow (out of the ordinary) and it used to get SO hot while using it normally and battery drained pretty faster than before, but i didn't know what to do tbh so i just kind of ignored something was off. but not long after these symptoms, the booting of my phone got slower and slower, until it reached its max by staying more than three hours just doing the 'optimizing apps' on the booting screen until it booted, so i thought it was a virus that would go away after a factory reset, and after the reset, it got worse, until it stopped booting and got into a bootloop. I panicked then because i didn't have the slightest idea what was happening until some internet searching guided me into the world of bootloops and custom roms and recovery. so i eventually managed to fix the bootloop and it worked fine for several months until it started to lag again and boot slowly and got the second bootloop, and that i fixed like the first one by installing the rom from the asus website then putting it on the sd card sand flashing it through recovery,
the third bootloop was quite the same, except that i did something additional in recovery mode, i pressed "backup user data" and that did a nandroid backup then i restored it smoothly after flashing the rom.
the fourth bootloop was a bit different, i as always downloaded the same firmware as the times before and flashed it and backed up user data too, but the odd thing that happened was me getting a message box that won't go away that said "unfortunately, the process com.android.phone has stopped" the phone worked but the sim cards weren't recognized and the message box was coming and going every second, so i noticed that the message box went away (nearly) when i got my sd card out, but still the phone app and the sim cards were corrupted,i thought the issue was from my sd card at first but i eventually, (coincidentally tbh) managed to fix it by doing the OTA update that was due, (that bootloop was fixed on the date of January 13th 2018)
then my phone was working so fine and everything was alright.
then shortly after (january 20th 2018) i was on whatsapp normally then suddenly ALL the things on my phone came crashing in front of me : TONS of endless message boxes saying things like "unfortunately, the process com.(any app on my phone) has stopped"
that i literally panicked and tears welled up in my eyes, so i rebooted the phone and while rebooting it did a (relatively quick) "optimizing apps" but as it booted everything was the dreaded same, all the apps crashing, then with the second rebooting was the current bootloop. i thought it was the same as before and just downloaded the usual zip file i use everytime but while flashing it (it did the same as mentioned in question 2 above) but it aborted instantly so i went and downloaded every rom there but it was the same so i went and tried the kernal zips too but always the same (i can't read my build number through the system recovery because it is like not fitting well in the screen si half the number isn't there that's why i asked question number 4)
so can anyone help me please? i'm in desperate need for help, i'm literally crying while typing this because i can't afford another phone and i'm so scared.
also is there a way to install custom recovery to not rooted device while in bootloop?
or if the system recovery was actually corrupted what do i do? :crying:

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