How to prevent system of booting into fast boot mode - Android Q&A, Help & Troubleshooting

​I want to disable fast mode, at least for some minutes. My volume down button is stuck(but only while the phone is off, that's strange, while using the system the volume down button just doesn't work) and because of that I can't boot directly into system: when I press the power button the phone always boot into fast boot mode. I want some way to change the shortcut to fastboot or disable it because this problem is causing me not to be able to update the android(because it requires a reboot, and the phone boots into fastboot, making the update fail).
​Is there some way to do this?

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[Q] pull battery = disable fastboot?

hi,
My phone can not boot normally, can not enter into recovery mode and just boot loop, so I can not disable fastboot from the system option of android.
Is there any way to disable fastboot? I heard pull battery will disable fastboot, is that true? If not, how to disable fastboot?
Thanks in advance!
You can disable Fastboot in Settings > Power > Fastboot (it's at the bottom of the options).
If you have fastboot enabled, you cannot simply power down and power on again while holding volume down button to enter recovery, since the phone is not completely shut down.
By doing a battery pull, you shut the phone off completely, and thus you can enter recovery.
I'd suggest simply downloading a hot reboot app, from which you can simply press "Reboot into recovery" and that'll save you the hassle of disabling fastboot or doing a battery pull each time.
Thanks Moonbloom! I have got it, in my sitiation, pull battery is the only way to go into fastboot mode.
Well actually you can power down and reboot into your recovery with fastboot enabled. I do it all the time. Just power the phone down then hold volume down and tap the power button, then keep the volume button pressed down until you see the white screen that gives you your options.
Locked & Loaded
""Shooter on Deck""

[Q] Need help with possible brick

After installing clockwork recovery, my TF201 booted up and I accidentally was still holding the down on the volume switch and then accidentally hit wipe data. I turned it off as fast as I could and now my device can't boot. It hangs at the ASUS splash screen and I cannot even enter recovery mode with the volume button and power switch.
I cannot enter fastboot mode or any of those modes at all...

how to boot into recovery mode through pc ?

Hi,
I own galaxy s3 i9000, currently on custom rom. My phone automatically rebooted and got stuck on bootloop. If I am able to enter in recovery mode, i can wipe cache(which may can help to get out of bootloop). But the problem is I am unable to enter into recovery mode because phone's volume up button is not working and my phone auto reboots every time after power off or reinserting battery. Is there any other way to clear cache or enter into recovery mode?
I dont want to flash my stock rom via odin (because i didnt backup my some important apps and msgs), this will be my last option.
sorry for my bad english
The normal way I get my phone into recovery mode from the PC is using ADB and the command: "adb reboot recovery". However, I bet this won't work in your case for one of several possible reasons: depending on when the bootloop occurs in the boot process, the phone may never reach a point where ADB is able to see your phone in the first place; if this is happening after a flashing a new custom ROM, then also it's unlikely that USB debugging is turned and the PC is not yet authorized to connect with it over ADB.
Another thought, could your power button be stuck down? I had a GS3 SCH-I535 several years ago and the power switch went bad on it, it would keep rebooting, shutting down randomly, or I'd be unable to turn on the screen. I had a switch replaced and it was fine after that. I don't think it's normal for the phone to automatically boot up when you reinsert the battery, that's why I bring that up. Maybe you can wiggle the power button a bit and try to unstick it if that's the case.
I tried to remove and stick back the power button again, but still it didnt worked. By the way fixing power button will not help me to get into recovery mode as my phone's volume up button is also not working, and recently I found out that I cant enter into download mode too because when I press respective buttons (volume down + home + power) for download mode, it gives warning msg to click 'volume up' buttton to enter into download mode or 'volume down' to reboot. Therefore again volume up button is required to enter into download mode too. So the only option remained for me is to visit service center and fix the volume up button.

Restart Without Power Button

Hi.
How can i Restart without Power button?
Volume Down and Bixby together to download mode and then Volume Down does not boot up the phone, it just goes back, it does not restart.
Any tips? I Fixed my initial issue, but now when the battery discharged and the phone turned off I cannot start it.
Should I flash it again (that is how i fixed my original issue, of not wanting to boot up) Used odin and the lastest firmware files to load and then when it completed it auto restarted.
Is there a quicker way?
Replace the power button assembly...
^^ nah.....
I got it, Volume Down and Bixby, connect charger, brings the download mode, hit Volume Up, connect to PC open Odin, load empty AP ("xxxx.tar") Make sure your phone is connected, start, phone restarts.

Question How to get into safe mode from power off state?

I know how to get to safe mode when booted in android, but what button combos do it from an off state?
I've tried holding power down until I see the boot logo then waiting 3 seconds, then holding down the volume down key. This just puts me in fastboot menu
Human Person said:
I know how to get to safe mode when booted in android, but what button combos do it from an off state?
I've tried holding power down until I see the boot logo then waiting 3 seconds, then holding down the volume down key. This just puts me in fastboot menu
Click to expand...
Click to collapse
moto g power - Power Up in Safe Mode | Verizon
Here's how to boot your moto g power into Safe Mode to help determine if an app is causing it to freeze, reset or run slowly.
www.verizon.com
That doesn't seem to work on the 2021 model, although it would be quite convenient if it did.
Really I was dealing with a magisk bootloop. So here are the steps I did in order get into safe mode while retaining magisk root to remove modules.
I couldn't find a way to enter safe boot with the physical buttons. What worked for me is flashing the stock boot.img entering the os, long holding the onscreen "Power Off" button until prompted to boot into safe mode (this queues safe mode for next boot).
It's important to enter fastboot (hold volume and power down while the restart for safe boot is occurring) before entering safe boot mode to reflash magisk's patched boot.img. Then finally reboot into android's safe mode. In safe mode you can finally issue:
Code:
adb shell magisk --remove-modules

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