General :: Boot Into Fastboot Mode In Lenovo A2109 Without Using PC
Jan 8, 2013
I have the Lenovo IdeaTab A2109 tablet,
The tablet is rooted and with custom rom and custom recovery.
I just want to updating from MCL203 to MCL201.
I dont want to use PC to flash the updated rom&recovery ... so i wanted to know:
As i need to boot into fastboot mode (after rom installation has finished) - how do i get to fastboot mode without using ADB?
P.S: the first custom rom installation made by a friend...i just want to know doing it by my self.
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Nov 4, 2013
I've recently purchased a Lenovo IdeaTab A2109 Tegra 3 running 4.1.1 (build A2109_A411_03_13_121126_UK) running stock but with the bootloader unlocked via fastboot.
Last weekend I read about APX/NVFlash which (subject to the backup) gives my device a true bootrom recovery to allow me to restore my device in the case of a brick (handy for if I mess around with custom roms).
So far I've tried using both Windows 8 (with Nvidia generic drivers) and Linux Mint 15 (in a VM) but both have ended in failure producing the following errors:
Windows 8) "Unknown Device Found"
Linux) "Nvflash v1.5.66719 started
rcm version 0X4
Command send failed (usb write failed)"
Two theories I have right now are 1) I'm missing something e.g. firmware.bin, key, etc. or 2) NVFlash is incompatible with my tablet but the problem is I can only find information/specific software for other tablets e.g. Asus TF.
What I can try to get this working? I am able to get temporary root access via CWM and ADB if I need to get anything off the device.
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Feb 10, 2012
I just tried to boot my Olipad 110 into fastboot mode 3, witch resulted in the device beeing stuck with a black screen
I'v tried to reset it but its still not booting. It's visible in windows device manager?
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Nov 28, 2012
I have tried holding down the volume buttons and power button several times the past three days and nothing. The device vibrates and nothing happens. If I continue to hold the buttons then it vibrates every 6-7 seconds. I also tried to get into fastboot using a toolkit in our development section with no luck. The toolkit says I'm in fastboot when connected, but nothing is on my screen.
At this point I am at a complete loss. If I can't get it to work is that a valid reason for replacement by Google?
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Apr 3, 2014
Friends of Jupiter Huawei g525-u00and have been asked Ram Kastvm able but Alanmshkl. Already green screen after power ... not that fast boot mode will not go into recovery mode and not the original ROM using loam bottom half Vbala White gets going
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Jan 1, 2014
I have a Lenovo P780 (chinese base rom) 4gb version. Rooted it and installed with CWM recovery for P780. Installed Muse UI 3.0 custom rom from custom recovery via sd card. Swapped the internal SD with External SD card by editing the vold.fstab and vold.fstab.nand also.
However, I realised that there are a lot of bloatwares that took up the RAM and started uninstalling chinese apps that seems to come with the custom rom from system. However, when I restarted the phone, its now unable to boot beyond the 1st boot screen. (Boot loop)
Current state of the phone now:
1. Able to enter custom recovery mode, but menu is blank except for the navigation commands. (return, up, down, confirm)
2. Able to enter adb only when the phone is in custom recovery mode.
3. Able to connect to PC (Windows 7 64bit). Mediatek MT6589 usb drivers installed. Many versions of sp flash tools installed and tried.
4. Can't seem to enter fastboot for this phone. (Tried many key combinations. Only Meta mode, recovery mode and factory mode are found)
Things I had tried:
1. Flashing stock rom.
I had downloaded the stock roms and tried flashing with sp flash tools, but I always encounter the following errors. Had also tried switching to another windows XP based pc and still encounter these errors.
(a) Firmware -> upgrade. Tried Auto Format Flash also and it returns with the same errors.
- BROM ERROR: S_FT_FORMAT_FAILED (4010)
Format flash error. Possibly given wrong format range. Please check your format settings.
(b) Download (all img boxes checked)
- BROM ERROR: S_FT_DOWNLOAD_FAIL (4008)
Download to flash fail!
(c) Download (only one img checkbox ticked, tried system.img and recovery.img)
- - BROM ERROR: S_FT_DOWNLOAD_FAIL (4008)
Download to flash fail!
2. Flashing recovery from adb terminal via windows and usb connection
When I put the phone to the custom recovery (with missing menu options), the adb terminal is able to recognise the phone and returns the following after the command 'adb devices': 0123456789ABCDEF recovery
Upon entering the shell via 'adb shell', I am given the # sign. (already in SU mode?)Tried to flash a recovery image from this mode via terminal command flash_image, but encounters the following problems:
(a) unable to mount/remount
- mount -o remount rw /system
mount: mounting rw on /system failed: Invalid argument
chmod 777 /system/flash_image
# flash_image recovery /sdcard/recovery.img
no response from the terminal after this command.
I had tried and tried these for more than a week after work, but had not been successful in reviving this phone.
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Aug 18, 2013
Lenovo A830 phones.
I bought it from Etotalk, so it came rooted, and with their custom version of the Lenovo Stock ROM and their custom version of CWM 5.5 installed.I tried formatting my SD card and then doing a factory data reset from within the operating system. (I was intending to install MIUI V5 after rebooting into recovery).
However, on rebooting, the device is now caught in an infinite boot loop, and I am not able to boot into recovery mode (by holding down power and both volume keys). It loads the initial splash screen, then shows a few seconds of the Android character and some whirring cogs before rebooting.
I am able to boot into Factory mode (power and volume up) or Meta mode (power and volume down). Factory mode has a number of options, but they are all in Chinese characters, which I am unfortunately not able to read.
I did notice that my SD card seemed to be write protected when I tried to format it in my computer and to copy on the new ROM - I solved this by putting it in a different phone and reformatting it. I wonder whether the factory reset process has write protected something it shouldn't have?
I've got the latest Android SDK Tools, MTK Droid Tools 2.4.8, SP Flash Tool 3.1312, some additional ADB drivers (120827 v3.7) that I'm not sure how to install, the latest MIUI V5 ROM (3.8.16), and the latest stock Lenovo ROM (S118 from Need A ROM, just in case I need it).
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May 11, 2014
I tried flashing a font from romtoolbox lite using flashify but my phone only displays
"[470] fastboot mode started"
"[520] udc_start()"
I can't access download mode or recovery mode. What do i need to do? I also can't turn it off.
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Nov 20, 2012
I want to install ClockWorkMod Recovery on my Karbonn A18, i tried doing it using SP Flash Tool, but it gives various Errors, I want to know how can i get into FastBoot Mode in A18 so that i can install it through their ?
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Feb 6, 2013
I have MTK6515-based china phone and can't enter fastboot mode through "adb reboot bootloader". Phone just boots normally. USB debugging enablde.
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Feb 5, 2014
my nexus 5 is stuck in boot loop ( turning on and off by itself and can't get past the Google icon) and i can't access the boot loader for a reset. all system reset/ factory image guides require me to access the boot loader but the problem is that the phone won't stay in the boot loader because of the boot loop, it turns off as soon as i get into the boot loader.
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Oct 22, 2013
I Have a Lenovo A390 and I'm Having Trouble going into the recovery mode,Everytime I Boot Into Recovery Mode,A dead android icon with a Red Triangle Appears and nothing happens (The Icon is like this> cdn.howtogeek.com/wp-content/ uploads/2012/12/android-recovery- mode.jpg ) I waited 2-3 minutes and still Nothing happens,What should i do?Should i install a custom recovery? Or what. I'm on stock and my phone is rooted,I rooted it using framaroot.
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Jul 10, 2012
My mom's LGC800 is stuck in LG boot screen, is there any possible way to enter fastboot mode in the LGC800? I tried the adb command "adb reboot bootloader" it reboots and gets stuck again in LG boot screen..
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Apr 22, 2012
I Installed A kernal and my my phone got stuck on the HTC logo screen...I Managed to get past that but now its stuck in Fastboot Mode
idk if this is any use but it says
***RELOCKED***
***Security Warning***
HOLIDAY PVT SHIP S-ON RL
HBOOT-1.85.0025
MI CROP-0360
OpenADSP-v02.6.0.2226.00.0202
eMMC-boot
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Mar 11, 2013
how to put Micromax ninja A27 in fastboot mode.
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May 28, 2012
all android devices have a fastboot mode..?? if not, how i know that the device cant boot into fastboot mode or no ??
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Dec 28, 2012
I have a motorola motostart (xt390) and wish to unlock bootloader, root, etc. Nevertless, I just can't get into fastboot mode. Powering up with VOL Down it access the recovery mode. The same for VOL UP+DOWN. When i try powering up with VOL UP pressed the device simply don't power up.
Is it a malfunctioning device or some roms for this hardware simply have mysteriuos ways to enter fastboot?
The ROM is a brazilian retail, Gingerbread (2.3.6) version MAUI.11AMD.W11.37.SP.V9.F4.P1, build: ARGONM_W_07.15.04R_D.
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Dec 2, 2012
HTC ONE X
my one x is stuck in the boot logo " htc quietly brilliant" screen and not responding to go to the OS 4.0.4
when i connect it i hear the sound of the usb connect but cant see it on "my computer"
i tryed to do fastboot but fail*
i tryed to do recovery reset mode and and it transfer me to the clockworkMod Recovery but in the "install zip from sdcard" there is no files it
looks like the phone as been format and there is nothing on him
how can i install a new OS on my phone again ?
p.s - when the phone is connected to the reset mode its say "fail to open usb master mode"
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Sep 28, 2013
I had to install a new firmware for my Lenovo A830, and I did a factory reset. However, it caused my device to reboot all the time - I can't even access the recovery mode. Here's the boot logo of the recovery after which the phone reboots. Here's the image: [URL] .......
It appears for 2-3 seconds, and the device reboots again. Also, it doesn't matter whether I press the combination of keys for the recovery mode or pressing the power button - I always get this boot logo.The only way to shutdown the phone is to remove the battery.
Maybe to reinstall the recovery mode somehow? Or to clean up the whole internal memory from PC? The only thing is that because of the constant reboots I can't access USB (just for the 2-3 seconds until the next reboot).
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Apr 17, 2014
I recently Bricked My Sky Vegaa 770. Phone was In FastBoot Mode And suddenly turned Off Now it is Not getting On it Only Gets on When Connected To Pc Or Charger With a Black Screed After Logo
Additional Info
Phone is Rooted
Phone is Not Getting In Recovery Mode Or fastboot Mode
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Mar 1, 2013
I used insecure boot and root trying to root my phone, which was a huge mistake as i noticed a few minutes later since i cant startup anymore and only get into bootloader.
Now I'm trying to flash my stock rom back.
My CID is VODAP102 and my Version is 3.14.161.27 so i downloaded the rom and tried "fastboot flash boot boot.img" the result is:
sending 'boot' <8192 KB>...
FAILED <data transfer failure <Unknown error>>
finished. total time: 0.158s
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Apr 24, 2012
I deleted /system folder on my nexian cosmic journey. And now my nexian is stuck...
I try to using fastboot mode to flash recovery image, but my device seems not detected. I already installed the android composite driver, but when i use "fastboot devices" command, it shows (?) So how the heck to get my nexian back to normal?..
Or perhaps, if i just be able to put back the /system folder to its place again, it would be more easy to recover it... But how access the root when phone is like that?
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Feb 26, 2010
stuck at the HTC "HERO" boot screen, Can't enter Fastboot (Home+Back+Power)
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When I try to start the device normally it gets stuck on the loading screen with the animation.
I go into that bootloader mode and try to restore it to wipe/restore it to factory settings but I get this: [URL] .....
I must have done something wrong when trying to root the phone...what I've done and why wiping the data isn't working.
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Apr 20, 2012
I'm trying to update my phone and it won't boot into download mode :X so I'm trying to do it with adb my problem is I can't get adb commands to work because I don't know what the path should be in the variables :C my location for adb is "C:Program Files (x86)Androidandroid-sdkplatform-tools.adb.exe".
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I researched all day yesterday perusing forum after forum but almost every single solution requires booting into recovery.
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