XOOM, recovery not possible, SIM lock? - Xoom Q&A, Help & Troubleshooting

Hello,
I have bought a used Xoom which shows after reboot the message "Tablet could not be use, please insert the valid sim card"
But I also can't go in recovery / fastboot mode during boot operation. I tried this instruction.
"Boot XOOM into Recovery, Fastboot, or RSD mode
So you need to get into Recovery to backup your XOOM (you do nandroid don't you?). Or perhaps you were working on creating new levels of awesome and something happend and you find yourself staring at the Motorola Dual Core boot screen with your XOOM refusing to boot any further. Fear not, you are only a few clicks away from finding your way back into recovery or fastboot goodness.
Turn your XOOM off
Press Power to turn your XOOM back on
When the Motorola Dual Core boot screen appears tap Volume Down repeatedly until "Android Recovery" is displayed
Press Volume Up to enter Recovery"
So root is also not possible because, I can't activate the USB debugging.
What is the best way to install CM10.2 on my XOOM?
Thanks a lot
Markus

Instead of repeatedly tapping volume down, boot the "M" logo screen, wait three seconds and press Volume Down once. Some white text should appear. Volume Up changes the text, Volume Down selects it. If you can get into recovery that way, then you can probably make some headway.
Sent from my HTC6435LVW using xda app-developers app

webeougher said:
Instead of repeatedly tapping volume down, boot the "M" logo screen, wait three seconds and press Volume Down once. Some white text should appear. Volume Up changes the text, Volume Down selects it. If you can get into recovery that way, then you can probably make some headway.
Sent from my HTC6435LVW using xda app-developers app
Click to expand...
Click to collapse
So I found the problem!
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Whats a good dealer for spare parts? It seems that also the sim slot is defect. HM can I root the xoom without sim reader and without volume buttons?
Thanks
Markus

Related

[Q] Help! ROM Issue - No Recovery Option

A friend of mine rooted/unlocked/installed DlevROM on my Infuse, and pretty much set it all up for me. I wanted to move to the ZEUS ROM so I put the zip on my sd card, booted into recovery, and installed it on my phone. I guess I should have wiped everything beforehand because now my settings seem to be mixed between the DlevROM and ZEUS ROM's settings.
My big issue: I wanted to boot back into recovery, wipe everything, and do a clean install of the ZEUS ROM, but now I have one big problem:
When I hold down the button on my phone that normally gave me a bunch of options: Reboot, Recovery, Sleep, etc... I now only have 3 options: Silent Mode, Flight Mode, and Power off.
How do I boot into recovery since the option to do so is gone? Please help, I am freaking out here.
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Thought this was the right section? I guess not
Three button into recovery. Hold down Vol up/dwn and power till samsung displays then let go of vol. You should boot into recovery.
BAM1789 said:
Three button into recovery. Hold down Vol up/dwn and power till samsung displays then let go of vol. You should boot into recovery.
Click to expand...
Click to collapse
Uhm I thought you let go of power button. Well that's how I do it
Sent from my SAMSUNG-SGH-I997
jayson94538 said:
Uhm I thought you let go of power button. Well that's how I do it
Sent from my SAMSUNG-SGH-I997
Click to expand...
Click to collapse
Haha which ever one it is... I never use it...
Extended power menus are my friend!
it surprises me how people still have not gotten the hand of 3 finger your way in to recovery... how long have this been been out? 9 months people. and you still cant figure out that its just faster to 3 finger your way into recovery.
and that people, was my little rant on 3 fingering your way into recovery. Thank you. now have a awesome day, keep calm, and smack anybody who disturbs you. k. whatever. bye.
Download rommanager, open rommanager than choose the "boot into recovery" option
Sent from my SAMSUNG-SGH-I997 using XDA App

[Q] Installing CM10 over another custom mod

Hi guys,
I just bough a used HTC One S. The device has rooted by previous owner. There is a custom rom but I do not know which one it is. I want to install CM10 to my phone. I tried to follow the step from this a video but I have a problem. After writing the "fastboot flash boot boot.img" command, the guy from the video hits the "HBOOT" button but there is no "HBOOT" option in my phone's "FASTBOOT" menu. As far as I guess, because of that, I cannot flash "boot.img" and cannot see recovery menu of this boot. So what should I do in this step, I would be appriciated if anyone could help me.
The video's title is "HTC One X: Jelly Bean CM10 (Cyanogenmod) - How to Install - Cursed4Eva". I cannot add link because of lack of post.
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How about... like... Following a guide ment for the one S, instead of a guide for a completely different device?
yea, the right guide for your phone will help!
also, can you still boot into bootloader to make sure phone still works:
do this by pressing vol- and pwr at same time until screen goes black or for about 8-10 seconds. then release power, but continue to hold vol- till phone boots into bootloader. Once there you can use volume rocker to go thru choices and pwr to select. at this point you can press pwr with the FASTBOOT highlighted blue, then then select reboot. Or you can go down to recovery and select it and see if you can get to recovery. if you get stuck just reboot into bootloader as mentioned above.
also, you can check which rom is on phone by going to Settings/About Phone and scroll to bottom. since you don't know that, i would suggest getting much more familiar with the phone and your bootloader screen before flashing roms.
whichever rom you flash, read the OP page carefully and first and last 20 pages of thread. also, include wiping system as part of any full wipe.
recommend TWRP recovery, which you can get thru goo manager from playstore as opposed to cwm.
make sure whether you have an S4 or S3 phone. S4's will run at 1512mhz
anyway read, read, read and make a backup of your phone and sdcard asap

[Q] Samsung Duos GT B5512 Can t enter recovery mode

Hi!
I can t enter recovery mode for my Samsung B5512 device. İt is supposed to enter pressing :
volume up + home+power but the debice keeps booting. Also ı have tried to release all buttons when samsung logo appears and also have watched most of the videos in youtube. I am sure that ı am pressing well: is it possible to not have an option available for entering recovery mode?
regards
jetthefast said:
Hi!
I can t enter recovery mode for my Samsung B5512 device. İt is supposed to enter pressing :
volume up + home+power but the debice keeps booting. Also ı have tried to release all buttons when samsung logo appears and also have watched most of the videos in youtube. I am sure that ı am pressing well: is it possible to not have an option available for entering recovery mode?
regards
Click to expand...
Click to collapse
ı guess there is no hope for my phone then
jetthefast said:
ı guess there is no hope for my phone then
Click to expand...
Click to collapse
use other methods as mentioned in My Android Solutions to get into recovery
Check this out!You , YES! you are an " Android ". Not your phone but U.
You Must watch this documentary concerning your privacy Terms & Conditions we had agreed to, by using a PC or Smartphone
How to say Thank you? If you find any post helpful on XDA, please click on the Thanks button
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If you are using XDA App or Tapatalk, long press on the post and select :good: Thanks Its easier to give "Feedback" in this manner than make an additional post.​
this is an old thread but I struggled with it as well - fully charge it, hit those 3 buttons - try at the same time but if not try volume up and home and then on/off button and hold it until it reboots the phone.
In my case, if you keep holding it the phone will not turn on.
If you release on/off switch it will turn on but can happen that you will come to system in "safe mode"
For me works just holding those 3 buttons until it reboots (phone was turned off then you start it with buttons, keep holding and when reboots release them) and recovery should be shown. If doesn't help try to take out sd card - if you plug it back in while in recovery my b5512 can load it - sometimes with error but in general, it can.
I think main conditions are to have it charged do 75%+
and unsure but to me it looks like to have a good stable sd card.
All the best

I can't boot into stock recovery

I solved it.
1. Power off device.
2. Hold power and vol down button.
3. Wait until lg logo appears.
4. Release power button only for one second while continuing to hold vol down. After the second elapsed press and hold the power button until it boots into recovery.
don't release both buttons.. keep volume down held. Remove USB cable to make it easier and make sure you're powered off before trying.
you also wont get into an actual recovery menu just have the ability to factory reset.
I've added a how-to boot into recovery section in my general g5 thread - http://forum.xda-developers.com/lg-g5/how-to/info-autos-g5-thread-t3350648
autoprime said:
don't release both buttons.. keep volume down held. Remove USB cable to make it easier and make sure you're powered off before trying.
you also wont get into an actual recovery menu just have the ability to factory reset.
I've added a how-to boot into recovery section in my general g5 thread - http://forum.xda-developers.com/lg-g5/how-to/info-autos-g5-thread-t3350648
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Click to collapse
So there's no way to get into the actual recovery yet?
I want to wipe the cache and see it it frees up some of the memory that's being used.
Right now I'm only showing 1.1 gb available of free ram out of 3.7 gb.
wolfu11 said:
So there's no way to get into the actual recovery yet?
I want to wipe the cache and see it it frees up some of the memory that's being used.
Right now I'm only showing 1.1 gb available of free ram out of 3.7 gb.
Click to expand...
Click to collapse
no u can only wipe data/cache through factory reset. not cache only.
only way for full recovery would be to unlock bootloader and install a custom recovery like TWRP.
Thanks, I figured it out. It's a bummer we can't wipe cache or dalvik with the stock recovery.
Hope we get TWRP soon and this whole fastbook issue figured out soon :fingers-crossed
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No way to disable Samsung VaultKeeper?

So I'm currently trying to root my S10e (SM-G970F) but I ran into a problem; I can't disable Samsung's VaultKeeper from download mode.
I also noticed that the download mode looks different compared to everything else I've found online. Here's a pic:
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There is no "extra" text on the left side such as binary info etc.
But the main problem is that I can't disable the VaultKeeper because holding Vol+ for any amount of seconds on download mode doesn't do anything. Vol- also doesn't do anything, neither does the Bixby-button (as expected).
Both of the methods I've used to access the download mode show the same screen.
With adb I've tried: adb reboot bootloader, adb reboot-bootloader, adb reboot download
By first shutting down the phone and opening it by holding Bixby, Vol+ (Vol- has no effect) and the power button. Then selecting "Reboot to bootloader".
And of course before both methods I've made sure that the "OEM unlocking" setting and "USB debugging" are turned on.
I feel lost. Maybe some of you have ran into this same problem? I've already searched around the forum but couldn't find any threads/info that worked for me. Let me know if I possibly missed something.
@meven123123123:
The most common method to enter Download mode is to turn the phone off and then - while holding the Vol- and Bixby buttons - to connect it to the PC via USB cable.
If this doesn't work, you should post some more infos, e.g. the exact device model (is it e.g. the G970F Exynos model which has an unlockable bootloader) and Android version.
okij said:
@meven123123123:
while holding the Vol- and Bixby buttons - to connect it to the PC via USB cable.
Click to expand...
Click to collapse
For some reason I kept thinking that power button needs to be held as well but doing exactly what you said worked!
Big thanks to you! And sorry for my ignorance
@meven123123123: I'm glad that it worked and that I could help!
How exactly did you get the Vaultkeeper mode to show? I also only have two options

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