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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1answer
995 views

android won't factory reset

so, i've been having trouble with my phone lately so i decided to back up my data and factory reset, but every time i wan't to do it the ''reset phone'' button does not work, i can't even press it, i ...
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0answers
24 views

Is there a way to prevent access to recovery or prevent access to fastboot?

I have couple of Motorola phones and some samsung tablets.. I have installed Cyanogen Mod in all of them except 1 Motorla G 2015. Moto G doesnt have bootloader unlocked so its safe... I want to ...
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0answers
28 views

Old android tablet boot stuck

I have an old Omega mid7002 tab and it is stuck on "android" boot screen. I've tried hard reset with all possible key combination without success. But I'am able to connect via adb, so my pc ...
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0answers
142 views

cannot install twrp on android nexus 6p

so i want to root my phone by first installing a custom recovery (twrp) following instructions here.. but as soon as i run this command fastboot flash recovery twrp.img i get this: target ...
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1answer
2k views

Methods of checking bootloader status

Just curious if there's any methods to check bootloader state besides using fastboot. I ask because on my device, even after unlocking successfully, the bootloader still shows that its locked when ...
1
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1answer
197 views

Does “fastboot oem lock” prompt to confirm?

I want to run fastboot oem lock (or fastboot flashing lock) on my Oppo Find 7 to see if I can reproduce the behavior in this post. However, I don't actually want to go through with the bootloader ...
3
votes
1answer
388 views

Fail to install CM13 on Oppo Find 7a

I would like to install Cyanogenmod 13 on my Oppo Find 7a. I am following the instructions from CM wiki. I am using a laptop with Linux (LMDE2). I fail to install a TWRP recovery. Fastboot seems to ...
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0answers
140 views

Kindle Fire HD Stuck - Recovery broken and cant acess fastboot

Ive had my Kindle Fire HD for quite a while now. I rooted it about 9 months ago and its been working fine. I now want to do a system reset and a bit more hacking on it. When i go to factory-reset my ...
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0answers
40 views

How can I find out if the Bootloader is locked or not? [duplicate]

Is there a direct way to find out if the bootloader on a new unrooted device is currently locked or not? I would like to do this without the risk of clearing or bricking the device. I am looking for ...
2
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1answer
2k views

can fastboot be used to backup device?

Many people tell about fastboot that it can be used to flash a image on one of the partitions. Is the reverse also possible, that is take a binary snapshot and store it as a zip file containig the ...
0
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1answer
351 views

HTC One M7 stuck on boot

I have a HTC One M7 since 2 years. I got a software update in December and i tried to update it and somehow after the update the phone showed me errors. So back then i did a recovery and the phone ...
0
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1answer
345 views

Fastboot is not providing a token when trying to unlock HTC One M9

I am trying to unlock my HTC One M9 following the instructions on the HTCdev website. When I get to the part where you're supposed to obtain the identifier token, it doesn't give me any errors, but it ...
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2answers
106 views

device not showing in fastboot

I have a Samsung Galaxy Tab 3 (GT-P5210GNYXAR) currently with NO OS (I completely wiped the tablet in TWRP.) However, I did root the device, so now it has the TWRP thing. I tried installing the ...
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1answer
331 views

boot loop after flashing partitions from stock firmware

I have Arch linux installed and have installed android-tools(so fastboot and adb commands are available). Because I had a problem with kingroot I needed to flash the phone to stock. I had stock ...
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0answers
343 views

Nexus 5x stuck on Google logo

First time that I've been lost about how to fix an android device. In short, I tried updating the my device to the latest cm13 nightly but that ended up causing the Google logo loop (wouldn't boot ...
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0answers
265 views

Sony Xperia Z5 Premium recovery or fastboot or bootloader mode key combination

I have a Sony Xperia Z5 Premium which cannot get past the "Starting Applications" spinner. I would like to put the device into fastboot/recovery/bootloader mode, but pressing Volume down and Power ...
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0answers
86 views

Fastboot Flash Recovery HTC Pico Bad file descriptor

My device is HTC Explorer (Pico) Desktop is Ubuntu 14.04 64 bit My device is rooted already. I am trying to flash TWRP Recovery My device is detected alright $ fastboot devices SH1BRVN****** ...
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0answers
81 views

adb option like fastboot -i <vendorid>?

Hi I was wondering if there was a command similar to fastboot's -i in adb. I'm currently trying to find my device in adb, but I could only target the device in fastboot with -i and the vendor id (I ...
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votes
1answer
2k views

Fastboot doesn't see nexus 6p

Currently trying to unlock my bootloader, but cannot get my nexus 6p to determine that it's connected to my PC. I can use adb commands while it's on, but booting it into fastboot mode with the adb ...
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0answers
53 views

Can't recover Nexus 5 from bootloop

Hey I am trying to get my Nexus 5 working again. I really need someone to help me troubleshoot this. One day I noticed my phone was off after about half an hour from being fully charged. It wouldn't ...
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1answer
193 views

Cannot unlock bootloader of my OnePlus 2 with oem unlock

I want to flash my OnePlus 2, as it's stuck on the boot logo. For this, I first need to unlock the bootloader, but I can't: the adb command tells me I have to check "oem unlock" in the phone settings. ...
1
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1answer
145 views

Wondering if i can debloat some google apps from unrooted lg phone for my father?

My father being older does not want to modify his phone, however he has a LG L70 and no sd card, and doesn't use some unnecessary Google apps, such as play, books, and whatever else. My question is ...
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0answers
280 views

Fastboot not working?

I have a Huawei Honor 6. I have an unlocked bootloader, and I am trying to install marshmallow. I have flashed TWRP before (and I can boot to it and use it), so fastboot has once worked. Now when I ...
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1answer
471 views

Backup/flash system and data without unlocking bootloader?

I was wondering if I can make a full backup of my system partition via fastboot or adb and re-apply the backup to a different phone of the exact same model? Or is this only possible if the bootloader ...
0
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1answer
55 views

I flashed recoveries with Odin, why doesn't my phone boot bow?

Samsung S3 Android phone, not rooted, stock firmware. In chronological order: I turned on USB debugging, although could not use fastboot. I used Odin to flash multiple recoveries, but I don't think I ...
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0answers
67 views

HTC one v boot loop after restoring using TWRP

I restored original ROM of my HTC one v using TWRP but it stocks on HTC logo during boot I had installed Shendu ROM with Hellboy kernel before. I cannot access fastboot from my laptop too. It seems ...
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1answer
1k views

flashing twrp on lg g4 no error, but no twrp

I'm trying to flash twrp to my lg g4. I've reached the part where I run fastboot flash recovery twrp.img And everything seems to work fine, but when I try to enter recovery mode, I get the default ...
2
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0answers
277 views

Any chance to unbrick relocked HTC One M7 with S-on and a old copy of the RUU.zip

Background After 1 year of use, the most recent OTA to my HTC One rendered several key features, including the notification bar and the home and back buttons, unusable , effectively soft-bricking ...
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0answers
46 views

Where does fastboot live on the device?

I just started getting into ROMs and it's really great. I am wondering where fastboot actually lives on the device so I can make sure I don't harm it. I'm fairly sure that it doesn't live anywhere in ...
1
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1answer
918 views

Device boots normally, but cannot enter recovery or fastboot

I have secondhand Vodafone Smart Tab 4G. It seems to me that previous owner messed something up. The device boots normally but I cannot enter either bootloader, fastboot, or recovery. I have tried HW ...
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0answers
217 views

flashing boot.img separately vs flashable single zip for custom rom?

I have seen different methods to flash custom ROMs? 1) For my phone where I recently installed a custom ROM, first I flashed a custom recovery TWRP using fastboot flash recovery recovery.img. In the ...
2
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0answers
169 views

Stuck in Fastboot mode after flashing custom ROM on Xiaomi Mi3W

I flashed MIUI fastboot ROM on Xiaomi Mi3W since I had problem booting it. It was a old ROM but now nothing happens except it is stuck on fastboot mode. It doesn't even charge the battery. I tried re-...
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1answer
97 views

How to connect a Motorola Xoom 2 ME (MZ607) on fastboot mode to a PC?

I am trying to connect a Motorola Xoom 2 ME (MZ607) on fastboot mode to my laptop running Windows 10 as per described here: https://goo.gl/ln57PX When the system loads, Windows recognizes the device....
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0answers
59 views

ubuntu fastboot devices not returning anything

I have tried the following for Note 3 running kitkat 4.4.2 Downloaded android sdk and hence using the latest fastboot (adb can see device) Added myself to plugdev grp and setup udev mentioned below. ...
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0answers
56 views

Correct build choice for Nexus 7 lunch

I've been trying to install a kernel/bootloader/etc for my Nexus 7 wifi only model tablet and got this error from fastboot flashall, Device product is 'flo'. Update requires 'msm8960' or 'deb'. ...
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0answers
350 views

Cannot use ADB on a bricked phone

I'm trying to unbrick a soft-bricked Android phone, and many tutorials say to use ADB to fix it, but I cannot use ADB or fastboot, since the device is not reconized. It's a Lenovo Zuk Z1, I am running ...
2
votes
1answer
5k views

Fastboot oem get_identifier_token - FAILED (remote: unknown command)

Hello Everyone! I am trying yo unlock the bootloader with no success. Basically, the following command Code: Fastboot oem get_identifier_token is hitting the error of: FAILED (remote: unknown ...
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0answers
284 views

HTC Desire 816G cyanogenmod fastboot oem unlock issue

When i issue sudo fastboot oem unlock I am getting this error message ... FAILED (remote: unknown command) finished. total time: 0.002s How to solve this issue?
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2k views

Huawei P8 Lite - Bootloop after Rooting, Attempting to flash ROM

I got a new Huawei P8 Lite and unlocked the bootloader and rooted it. After that I updated the EMUI/System and rebooted it. Since I rooted it, it apparently doesn't like the update and is now in a ...
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0answers
58 views

Cannot enter lock screen Android 5.0

I cannot enter my lock pattern because the first row of dots does not accept touch input. The screen should be fine, since I can enter my PIN and and touch in the area everywhere else (camera, before ...
0
votes
1answer
265 views

Stuck in fastboot oem unlock (Fly IQ4503)

Trying to install another OS on my Android phone. Fly it isn't so popular phone, so I have lots of problems within installation. Also I used for this my laptop with Ubuntu 15.10. Now I'm trying to ...
1
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1answer
96 views

ADB and Fastboot displays different devices

I'm trying to unlock the bootloader of my device, Cherry Mobile Fuze, which is a port of Micromax A96. As seen on the screenshot, is it normal that the ADB displays a device that is different from ...
2
votes
1answer
19k views

Windows 10 Fastboot Driver

My Sony Z3 Compact is currently unusable and I would like to flash the Marshmallow version of FXP. Unfortunately it seems like I can't find any fastboot (or as device manager calls it: S1Boot ...
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1answer
1k views

XPeria L stuck in bootloop after flashing Ressurrection Remix ROM

Folks, I unlocked the bootloader and rooted my XPeria L without problems, I then installed TWRP, made a complete backup and tried flashing the Ressurrection Remix ROM. But the phone doesn't boot up ...
1
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1answer
2k views

Wipe /data/ but not /data/media/ through ADB shell or fastboot

I know I can use fastboot -w or fastboot erase userdata, but these erase /data/media/, the internal storage which is located at /data/media/0/..., which I don't want. Is there a way that doesn't ...
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0answers
44 views

Storex 805 softbricked?

I actually have a storex 805 (android tab, JellyBean) that seems to be bricked. When I start it the normal way it endlessly loads. When I press Volume+ and POWER, it ends up on a screen with a dead ...
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1answer
4k views

How to install Nexus 6 / 5X / 6P Drivers in Windows 7 properly where fastboot can see it?

I have the Nexus 5X drivers installed properly on Win7 64bit and it shows up in my device manager as Nexus 5x. I can verify that it gets detected as I see it in chrome inspect page. But when i try to ...
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0answers
175 views

how to use adb and fastboot oem to enable debugging?

Unlocked the bootloader, then changed boot animation(installed new logo.bin) and executed the command ADB fastboot OEM lock to re-lock the bootloader(so that the device is in secure mode).I have ...
0
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1answer
89 views

Fastboot not showing device, adb finds it

I'm having issues trying to get Fastboot to find my device. Interestingly ADB finds it. My specs are below: Computer: Ubuntu 14.04 Phone: One Plus Two Oxygen OS 2.1.1 james@james-Aspire-3830TG:~$ ...
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0answers
63 views

Unable to enter fastboot on Rikomagic V5

I am trying to use fastboot over USB from my Mac on a factory unlocked Rikomagic V5 stick PC. This device has no power or volume buttons, but it does have a little inset pushbutton that can be used ...