[HELP] Install TWRP without unlock bootloader - Android Q&A, Help & Troubleshooting

Hi there, actually I have an Samsung Galaxy S21 FE (SM-G990E), and I need to install TWRP or do any step to remove password lock screen.
Actually, my client has forgotten the password and need to unlock without erase data.
Obs: I already tried unlock on Samsung Find My Mobile, but the phone is disabled to this function (remote unlock).
Can someone help me please?

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[Q] unlock phone without format

hi guys
I have a locked phone cause i enter a lot of wrong pattern and its locked
can I unlock it without format from recovery ?
*my device is samsung galaxy s4
thanks
Sony guy said:
hi guys
I have a locked phone cause i enter a lot of wrong pattern and its locked
can I unlock it without format from recovery ?
*my device is samsung galaxy s4
thanks
Click to expand...
Click to collapse
The only way to unlock it without losing your data is by signing in with your Google account.
If you don't use a Google account then I don't think there is another way to unlock it.

Samsung Note 2 Remove Pattern Lock

Dear All,
I got samsung note 2 mobile device from my friend which he can't remember pattern , mean time he doesn't have unlock code or gmail account credentials. He urgently need to get the images he has in his device.
he wanted me to help to unlock the mobile phone.
I tried following methods
1. unlock using ADB commands not possible because USB debugging is not enabled.
2. Tried to use aroma file manager and since it has stock rom its also not possible. (Tried to remove pattern file from the system files)
if any one have idea about how to remove pattern without loosing the data plz help me

[For newbie] FRP and Phone lock / unlocked explanation

Hi people!
I know, I'm completely newbie in this.
But I'm getting in trouble and confused about it.
The question is simple:
What's means FRP lock / unlocked and Phone lock / unlocked?
And what's the difference between them?
FRP means Factory Reset Protection. If locked your phone will be protected of unauthorized factory​ resets. If a stranger tries to reset your phone, the phone will ask for your Google password on startup.
So if you unlock FRP you will lose that protection but this is required too unlock your bootloader (that's what you called phone locked/unlocked).
Phone locked (bootloader locked) means that you cannot make any changes too the partitions of your phone for example the recovery. So you are required to unlock your phone to install custom recoveries and ROMs like TWRP or RR etc.
Hope I could help you clear some things up.
If you're planning to sell your Android phone, make sure to remove your Google account from it first or else the next owner wouldn't be able to use it.
FRP means Factory Reset Protection. If locked your phone will be protected of unauthorized factory​ resets. If a stranger tries to reset your phone, the phone will ask for your Google password on startup.
So if you unlock FRP you will lose that protection but this is required too unlock your bootloader (that's what you called phone locked/unlocked).
Phone locked (bootloader locked) means that you cannot make any changes too the partitions of your phone for example the recovery. So you are required to unlock your phone to install custom recoveries and ROMs like TWRP or RR etc.
actory Reset Protection (FRP) is a security method that was designed to make sure someone can't just wipe and factory reset your phone if you've lost it or it was stolen. Starting with Android Lollipop, FRP is "standard" in vanilla Android, and most companies making our phones have implemented it in their own models.Mar 29, 2016
Killus3 said:
Hi people!
I know, I'm completely newbie in this.
But I'm getting in trouble and confused about it.
The question is simple:
What's means FRP lock / unlocked and Phone lock / unlocked?
And what's the difference between them?
Click to expand...
Click to collapse
Hi everybody,
My question is going to sound stupid, but now that I've got the unlock code for the bootloader, how do I unlock the FRP?
It is to this part that I am lost.
Sorry but I'm not very young anymore and not healthy. I had a big car accident and am much more on my phone and my computer
Rommco05 said:
You need have enabled OEM unlock in Developer options for unlock FRP
Click to expand...
Click to collapse
Hi,
OK so I activate the OEM to unlock the FRP.
And for unlocking the Bootloader I can use Huawei Multi Tools?
Should I delete my Google Account or Huawei before doing these manipulations?
I do not have fingerprint or pattern lock.
Thanks in advance for your answers.
This video is for the Honor 8, but the same steps are used to unlock the bootloader on the Honor 9.
https://www.youtube.com/watch?v=C_svTrjyU7o
Hey, guys! I have on the screen now written in green font "PHONE Relocked", "FRP Lock". What to do?
Rommco05 said:
What u need to do?
Click to expand...
Click to collapse
I can't restore the system
Rommco05 said:
You can't boot to system? What u do before
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Click to collapse
I unlocked the bootloader. Done on the instructions of the website:https://emui.huawei.com/en/plugin/unlock/step. After unlocking bootloader on my phone fastboot appeared the inscription "PHONE Unlock" and "Unlock FPR". On my device sprosili settings. After that, I re-entered entered the Google account, but the phone then began to hang periodically. I went into developer mode, done a factory reset there. And decided to turn back. Went to fastboot, blocked Downloader. Phone rebooted, then on the screen appeared the inscription: "Relock PHONE" and "FPR Lock". Out of fastboot, there was a black window where it says to restore the system through recovery in the air, but when I try to do fails. Help me, please!
Rommco05 said:
You can't boot to system? What u do before
Click to expand...
Click to collapse
Here are pictures of my screen:
Reset via HiSuite does not help.
I have the honor 6a.
Rommco05 said:
I understand but I don't know how fix it
Click to expand...
Click to collapse
I think he became a brick forever((((((crying:
Rommco05 said:
U can try something like dc unlocker or funkyhuawei but is a payed services
Click to expand...
Click to collapse
How much is the service on DC Unlocker?
First try using funkyhuawei?
nl520 said:
I think he became a brick forever((((((crying:
Click to expand...
Click to collapse
First you should try the HWOTA procedure without rebranding.

S9+ relock bootloader

I finally got the OEM unlock option back on my phone.
I had to restore Stock ROM and set up only Samsung account and no backup sync. And there it is! But it says bootloader already unlocked.
How can I Lock it again so I atleast can use Google pay? I know Samsung pay is lost. but I remember someone wrote they were able to Lock it again. searched forever but cant find the thread!

Locked bootloader and stuck on mi account password

Hi,
I bought a redmi note 9 pro from a friend and he did experimented on it so I saw a unlock logo while booting. Unfortunately I thought locking the bootloader by flash all lock will help this account password thing to never show up. I guess I'm locked up. Is there any way to bypass this lock even I have the bootloader locked? Please help.
Note:
1. locked bootloader
2. Mi account password is unknown
3. Bypassing not working on locked bootloader.
I am Having the same problem. have you fixed it yet?
You need to download FRP Bypass Xiaomi and flash it via fastboot.
Hey,
I would be interested to know if you were able to solve the problem? so I have the same problem! :/

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