Questions tagged [fastboot]

Fastboot is a protocol used by Android to diagnose and flash new firmware images on an Android devices via USB. It is part of the Android Debug Bridge (ADB).

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Looking for a tool that can execute Dynamic Partitions operations

For managing dynamic partitions, there are a number of operations such as resize, remove, add_group ... When flashing a Rom, these commands are listed in dynamic_partitions_op_list file (with Rom file)...
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Why isn't my phone recognized by my computer in Fastboot mode?

I have recently bought a Samsung Galaxy S42 5G, and was messing around with boot combinations. While I was doing this, I found out that the phone had Download mode, but also a Fastboot mode. I was ...
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Can I flash a custom fastboot mode image on a Samsung device to boot custom devices without tripping Knox

I'm a noob and don't even know if these are seperate images, but I do know that Samsung has no fastboot mode as it is stuck entering it and instead has a download mode. The question is, can I still ...
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How to press power button using fastboot command?

I want to unlock my Oneplus 6 bootloader. But my power button is not working, so at the screen where I have to select, 'unlock the bootloader' I don't know how to do it without Power button?? Hope u ...
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Fastboot gets stuck on waiting for device trying to access Fairphone device on Arch linux

Basically through the fastboot "API" i cannot access/see the Fairphone 3+, while theandroid debug bridge is working. Using adb devices lets me see the device and adb reboot bootloader ...
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Must a device's bootloader be unlocked to temporarily boot into another recovery?

If I want to boot into a temporary recovery by issuing command fastboot boot my_temp_recovery.img must the bootloader of the device first be unlocked?
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Is there any way to change default boot mode?

A couple months ago I've installed Lineage OS on my phone and I'm pretty sure I've set the default boot mode to be fastboot. Now, whenever I boot my phone: it boots on fastboot mode. Which is not ...
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Redmi Note 5 Pro - unable to flash TWRP

I am trying to flash the LineageOS on my Redmi Note 5 Pro (whyred). Initially, I used Windows 10 for the Xiaomi Unlock Tool. However, the Xiaomi Unlock Tool did not detect my device. So, I used this ...
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Write to device failed (no link / unknown error / too many links)

I am trying to flash twrp to my ZTE Axon 7 but until now I just keep getting errors every time I try to flash something. Device is already wiped and bootloader unlocked. I am in fastboot mode, I also ...
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Fastboot command does not work properly

Cables are fine Device is unlocked, confirmed from devices settings, boot animation (shows unlocked icon) and fastboot oem device-info Some fastboot command works but some not Some command works for ...
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Redmi note 3 showing enter code to unlock. After successive reboot

Redmi note 3 asking for password after successive rebooting the phone and i couldnt enable the password or any locking mathod in phone. After rebooting the screen gets more brighter and this massage ...
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Stuck in fastboot after uninstalling com.xiaomi.simactivation.service

so, i just uninstalled com.xiaomi.simactivation.service through a rooted app on my Mi9 MIUI 12.5 and now the phone is stuck in fastboot mode. I can still get into TWRP. how can I fix? Please help.
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How to flash AOSP 11 on to Redmi 6A?

I've successfully compiled aosp_arm64 and now I'd like to know how to flash it on to my device. I couldn't do it with command fastboot flashall -w as it outputs this: ----------------------------------...
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TWRP can't flash or boot

I flashed twrp using fastboot on my Xiaomi mi mix 3 and after that I used the command fastboot boot twrp.img but instead of twrp popping up it's the miui recovery
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Oem unlock failed- fastboot

What's the reason for oem unlock failed? I searched a lot, couldn't find an answer.
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What is the difference between `fastboot reboot bootloader` and `fastboot reboot-bootloader`?

fastboot provides two methods for rebooting a device into the bootloader: fastboot reboot bootloader fastboot reboot-bootloader How (and whyy) are these two commands different and when is it ...
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Trying to (fast) boot: Error verifying the received boot.img

As described in this answer by @irfan-latif, I am trying to boot (without flashing) my Google Pixel 3a into TWRP via the following command: fastboot boot twrp-3.5.2_9-0-sargo.img This failed with the ...
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Boot image header fields are invalid

I want to install TWRP on Redmi 5 (Rosy), during installation everything works normally. But when I want to boot into TWRP, fastboot boot TWRP.img a failure message appears on the ADB command line. ...
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Xperia X F5121 won't boot past splash screen

I'd appreciated any feedback on the below. I followed this https://forum.xda-developers.com/t/rom-10-0-aosp-suzu-sonyxperiadev-q-builds.3969967/ thread about upgrading Xperia X F5121 from Android 8 to ...
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Why fastboot isn't accepting unlocking code I received from Sony?

I'm following this https://www.getdroidtips.com/android-10-q-sony-xperia-x guide about changing ROM of my phone to Android 10. My Xperia X is stuck on Android 8 and isn't getting any further upgrades. ...
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Nexus 7 (2013) fastboot connection to PC

I've been trying for a few days to install LineageOS on a Google Nexus 7 (2013 version, or "flo"), using this guide here, but the USB cable connection seems to be very unstable for anything ...
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Pixel 4a : adb detects device but fastboot command doesn't work

This is a self answered question that is different and may save hours of frustration to somebody Related questions but none that helped ADB detects my device but fastboot doesn't Yureka fastboot ...
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Cannot boot into fastbootd OnePlus 8T

I'm trying to manually flash the factory image on my OnePlus 8T (using this TCD guide). I was able to boot my phone into Fastboot mode using the volume + power keys. I'm able to execute fastboot ...
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Unable to get oem unlock data

I am dealing with a Motorola X4 that says "Your device is corrupt. It can't be trusted and will not boot." when ever I try to boot it up. I am able to get the device into fastboot mode, and ...
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Start button broke, USB debugging NOT enabled, need to start phone!

Basically I have a Moto X4 without USB debugging enabled and the start button doesn't work. I can boot up to AP Fastboot (the screen with the little droid in the background), but I don't have USB ...
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Deny access to fastboot

I'm searching a way to deny access to fastboot mode... I don't care if it will be deleted, just want to deny access but still be able to use the device. I rooted my phone but I didn't find any files ...
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How to Unlock Bootloader in HUAWEI P30 Lite New Edition (MAR-LX1B) phone?

I want to root my HUAWEI P30 Lite New Edition (MAR-LX1B) phone. To achieve this I wanted to install Twrp on my smartphone. TWRP and the stock ROM I already have. But now to my problem. To install TWRP ...
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ADB requires drivers that are installed, not fastboot though, what drivers are required for fastboot?

I want to use ADB to backup everything on my phone so I can use CFAutoroot and restore root permissions, without erasing my entire phone, or deleting an app. I've had issues with this phone, I still ...
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Booting Fairphone Open OS automatically after sideloading from TWRP

After writing a bash code that automatically installs LineageOS on the Fair Phone 2 (FP2), I am also implementing the "reverse" OS installation, from LineageOS to Fairphone Open OS. From ...
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Is it possible to unbrick an Allwinner Adroid tablet?

A few months ago I got my hands on a cheap allwinner tablet. I wanted to experiment with running linux on it, but in the process of my experimentation I (stupidly) deleted/overwrote both the /boot and ...
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Device not detected in fastboot | REALME 3 PRO

I have device Realme 3 Pro. And I am trying to install TWRP. So, I downloaded In-depth test apk and got application reviewed. Then I booted into fastboot and device is not showing in device manager. I ...
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How to reflash Htc Desire 628 properly?

I tried to reflash my Htc Desire 628 using fastboot, but got following log: PS D:\platform-tools> fastboot oem rebootRUU OKAY [ 0.042s] Finished. Total time: 0.043s PS D:\platform-tools> ...
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Redmi 4 just switched off

I have redmi 4 which was working fine. But it is now switched off. When tried to switch on it shows mi logo then android logo and again switch off. It is bootloader is locked, non rooted and usb ...
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stuck on Bootloop twrp not installing

HI guys my phone is stuck on fastboot, its showing the current image(boot/recovery) have been destroyed and can not boot pressing volume + power put it into fastboot and it shows in adb "fastboot ...
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HP Slate 7 VoiceTab not entering Recovery Mode

I have a HP Slate 7 Voicetab running Android 4.4. I was trying to root it through Kingo Root and then flashing with a custom ROM using TWRP. But I think I made some mistake and now it won't boot to ...
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ADB Reboot Failed: -1 When using “adb reboot bootloader”. (Infocus M530)

I have an Old Infocus M530 (Mediatek 6595) running on Android 4.4.2 (KK) (Which i believe is made by Foxconn), I've been trying to make some Custom Recoveries for this device for quite some time and i ...
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Accidentally wiped /system, recovery not working

I accidentally wiped /system on my Archos 101e Neon (MT8163) through fastboot. Now it can't boot and can't go to recovery or fastboot mode. I tried vol -, vol + and both. It's just stuck on the first ...
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What does “NOS-production: no” mean?

I recently bought a refurbished unlocked Pixel 3 XL to replace my aging, cracked, broken one of the same model. It came with the bootloader unlocked so I decided to lock it because I didn't like the ...
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How to install recovery image with fastboot? (Asus zenfone go 5.5 zb551kl)

I have an old phone "Asus Zenfone go TV zb551kl" and I am trying to fix it so I can give it to my nephew. It had a problem where the only thing that it can load is the "fastboot". ...
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Fastboot command stucks and goes to disk sleep

I am trying to flash recovery in my Poco F1 but fastboot stucks when running fastboot flash recovery recovery.img. Also while running fastboot oem device-info for a second time gets stuck. ➜ ~ ...
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Nexus 5 not appearing in fastboot devices menu

I'm attempting to flash Android 4.4.4 KitKat onto my old Nexus 5, but when I run the fastboot devices command, it does not show my device's serial number. When I try doing the ADB sideload command ...
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Note 7s stuck and not going into fastboot mode

I tried to downgrade my miui. But flashing took long time and status displayed mismatch. I closed flash tool and gone into bootloop trouble phone is switchingoing on and off only work recovery. How is ...
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How to fix completely non-functioning Gionee S10C Android phone?

My phone is Gionee S10C and I have Android 7.1.1 installed on it. I was going to upgrade the Android version to 10, but Gionee no longer provides OS updates(Not sure whether the company even exists ...
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Infinix Hot 8 bricked. No OS, No recovery

I think i bricked my phone, my phones model number is "Infinix Hot 8 X650C". I've no OS installed, No Recovery Mode Installed. Also fastboot and adb can't recognise my device on PC. What to ...
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Device in fastboot mode not recognized at all as USB device

My LG G5 does not get recognized as an USB Device at all when it is connected to the PC in fastboot mode. While it is recognized just fine as an adb device, after rebooting into fastboot mode via adb ...
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Why is suggested to OEM unlock when LinageOS can be installed without it

I have a "LENOVO Tab 2 A10-30" which got frozen after the update in the startup loop - did not start after displaying the Lenovo logo. I decided to reinstall it with the LineageOS, and for ...
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Turn phone on with damaged power & volume button?

if Power and volume button is busted, is it possible to turn phone on by using adb or fastboot or any other method? Or may be, How a powered off phone communicate with the power button and other ...
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Oneplus 8T stuck in bootloop after flashing patched boot.img

I'm a complete newbie following a guide to root my phone, but it got stuck in a bootloop after rebooting, after flashing a patched boot.img created by Magisk. I have tried many things but with my lack ...
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My Samsung Galaxy S7 on Fastboot mode is detected as a modem, rendering me unable to get the bootloader interface to be installed

Exactly what the title says. My phone is not detected as a phone, or other devices, but as a modem when booted in bootloader mode.
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FAILED (remote: Partition should be flashed in fastbootd) PIXEL 3XL Android 11 FAILED (remote: 'Operation not permitted')

Could someone help me with the following problem: I want to flash my pixel 3XL with AOSP precompiled images in android 11, but it gives me this error: I have fastboot version 1: 8.1.0 + r23-5 ~ 18.04 ...

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