The bootloader is started shortly after the device's basic checks and is responsible for loading the Android OS. It can be used to boot different rooms besides the stock firmware, if the bootloader is unlocked.
13
votes
4answers
309 views
Is it possible to get multi-user support on Android with help from the boot manager?
I know that a common problem with Android tablets is that they lack multi-user support. I wonder if there isn't already a solution that allows me to select the user on boot by linking/moving/changing ...
11
votes
2answers
3k views
Why does unlocking the bootloader wipe phone?
I understand that unlocking the bootloader will wipe my Android phone, but have been looking around for why. Seems to be by design, but what is the reasoning for that design? Is it some security ...
10
votes
3answers
9k views
Do custom ROMs like CyanogenMod modify your bootloader?
Does a custom ROM like CyanogenMod come with their own bootloader or does it just overwrite the /boot kernel and /system? Does the bootloader take responsibility to lock your SIM card on a carrier?
...
7
votes
1answer
305 views
What happens to the battery during bootloader/recovery?
I want to know what happens to the battery (does it charge/discharge/stay constant?) when the device is in bootloader or recovery mode. In both of these modes, a USB may or may not be connected.
If ...
6
votes
1answer
728 views
Android Jelly Bean 4.1.1 on Galaxy Nexus showing droid
I've been testing the Galaxy Nexus with JB 4.1.1 and this is what happened yesterday. Has anyone seen this screen?
6
votes
3answers
659 views
Strange (unfamilar screen) on my Galaxy Tab?
I have a Galaxy Tab 10.1. It was powered off and charging when my nephew picked it up and turned in on. When he handed it to me on the screen was a graphic of an open box, the android logo with the ...
5
votes
1answer
6k views
Problem with unlocking the HTC Wildfire bootloader with HTC unlocker
I tried to unlock HTC bootloader by the official tool but I get to the stage when I issue the command:
fastboot oem get_identifier_token
Unfortunatly I get error
...
(bootloader) [ERR] Command ...
4
votes
1answer
1k views
How does the typical Android boot process work? [duplicate]
Possible Duplicate:
Can somebody explain the boot process of an Android device?
Windows follow some specific way to boot:
Start System > BIOS > Load Boot loader > Load WIN Kernel > Load WIN ...
4
votes
2answers
255 views
How is it that Rooting is always possible?
Having spent some time researching what actually goes behind rooting an Android phone, the main reason that leads to the ability root is an inherent vulnerability on the Linux kernel that leads to the ...
4
votes
1answer
259 views
How do I unlock the bootloader on the Samsung Galaxy Nexus?
I have a LTE (Verizon) Samsung Galaxy Nexus. How do I go about unlocking the bootloader such that I can root the device?
4
votes
1answer
442 views
Does the Samsung Galaxy S II come with an unlocked bootloader?
Does the Samsung Galaxy S II come with an unlocked bootloader as earlier promised by Samsung?
4
votes
1answer
3k views
fastboot not working on my Nexus 4
I'm trying to root my N4, and fastboot doesn't seem to work. Running it on linux, and the fastboot binary seems to run.
'Fastboot devices' produces info on my device, but 'fastboot oem unlock' just ...
4
votes
1answer
2k views
How Can I Pass Bootloader (Huawei Y200 stuck logo/ Boot-Loop)
I have recently learnt a few things about Android and its system. I have a Huawei Ascend Y200, and I flashed it with ClockworkMod specifically for Y200 with a computer and it worked.
I rooted my ...
3
votes
2answers
13k views
What does it mean to “brick” your phone?
I'm considering unlocking the bootloader on my Verizon Galaxy S3 (SCH-I535). However, a guide I was reading made this statement:
Once you have unlocked your phone’s bootloader using this app, you ...
3
votes
2answers
5k views
Is there currently an easy way to root Sony Xperia S with stock ICS 4.0.4 ROM?
I'm looking for an easy way, which doesn't need Unlocking bootloader or flashing Roms, just like root solution for SE 2011 devices (one click). It's because I currently use my Xperia S for development ...
3
votes
1answer
706 views
Is it possible to boot an Android phone from a USB drive?
Is there any way to boot an Android phone* from a bus-powered USB drive**? If so, what are the steps to achieve this?
* E.g. one with USB OTG functionality.
** E.g. a flash drive.
3
votes
2answers
1k views
Alternative ways to factory reset?
My Android 2.3 system my PMP3384 tablet somehow crashed so seriously that I cannot even do a factory hard reset, because I cannot get to settings, only the following message appears again and again:
...
3
votes
1answer
3k views
What is S-OFF? Why would I want to do it?
I always root my android devices, but there's something called obtaining S-OFF for certain devices, and I have no idea what that means. What exactly does the term S-OFF relate to? Why would I want ...
3
votes
1answer
177 views
remove apps with htc bootloader unlocked
Will just unlocking the bootloader per HTC website allow me to remove apps like Blockbuster, Nova, etc on an EVO 4G?
3
votes
1answer
3k views
What does HBOOT mean?
My best guess as of now is "partition and mount point layout". But it feels like there's more to it, since the bootloader can identify the HBOOT by name.
I've been flashing custom ROMs for quite a ...
3
votes
2answers
1k views
How to unlock Nexus S 2.3.3 bootloader without having to wipe all device data?
The usual way is to execute:
fastboot oem unlock
But this will erase all my private data.
3
votes
2answers
2k views
Device always boots in recovery mode, but apparently there is no recovery partition
We have a BSNL Penta IS709c (cheapest tablet currently available / Oct 2012) running Android 4.0.
Feeling adventurous, I issued reboot recovery through adb and the device tried to reboot in recovery ...
3
votes
1answer
1k views
How can I stop the bootloader unlock process?
My 4 year old turned on my phone (Nexus S, 2.3.4 I think) while pressing the volume button. Apparently, this triggers the bootloader unlock process, which I don't want.
The phone is now stuck on the ...
3
votes
0answers
62 views
Is there a way to tell if a boot loader can be unlocked before purchase?
For example are boot loaders unlockable only if the phone is branded and comes with a contract? If I bought a phone of Amazon.com would I likely be able to unlock the boot loader or is it really just ...
2
votes
2answers
193 views
Will bootloader unlocking provide access to all the apps in the Play Store?
My flyer doesn't allow few apps to be installed from the Play Store as it shows "This app is not compatible with your device" and this incompatibility is not due to OS. If I get the apk of this app ...
2
votes
1answer
356 views
Does a nandroid backup contain the hboot?
If I restore a nandroid backup will it restore the hboot and the corresponding partition tables?
I'm on bravo-stock hboot now and I want to try the CM7 hboot. Will I be able to switch back to stock ...
2
votes
1answer
7k views
Upgrading hboot fails: signature verify fail
My Goal
http://forum.xda-developers.com/showthread.php?t=1762790
Putting jelly bean on nexus one
My Problem
Upgrading hboot
I'm just following everything step by step (link)
$ fastboot flash ...
2
votes
1answer
25k views
How to and from where install ClockworkMod Recovery (CWM) on GT-P1000?
Currently I am trying to upgrade my Android OS from 2.3.3 to Cyanogenmod 9 not with "Odin" but via the bootloader and SD-card. Now I had a problem with "Signature verification failed" described here ...
2
votes
1answer
276 views
How can I go back to ICS after JB OTA updates?
My phone is HTC One S VelliC2 and received the JB OTA updates.
However, I could not get used to it. So how can I return to ICS? Can I use the HTC Android 4.03 RUU file? Now the Hboot version has ...
2
votes
2answers
4k views
How to know whether my Xperia Ray's bootloader is locked or unlocked one
Title says all, but again a bit background
I would like to know whether the bootloader on my xperia ray is locked or unlocked one. I bought it from ebay & with seller warranty (or you can say no ...
2
votes
1answer
712 views
Root hboot 2.18.0001 without computer (HTC EVO 4G)
My EVO 4G's charging port is broken and I am trying to gain root access on my device. Is there anyway to do so without using the USB port to connect to the computer?
2
votes
1answer
896 views
Android tablet won't reboot after rebooting using volume and power buttons
I am using a 7" Smartfren tablet called S7.
I was following this tutorial. When I got the last part about the bootloader, I turned my device off. I tried to reboot using the volume buttons and power ...
2
votes
0answers
742 views
Installing Android using only fastboot on HTC Vision
I lost my system somehow. My phone turned off and reboots during starting up.
I'm only able to go to hboot (fastboot/recovery etc.) on my phone, and I'm unable to run Android system.
I have tried ...
1
vote
1answer
3k views
How do I unlock the bootloader on my Sony Ericsson Xperia mini pro?
I own a "Sony Ericcson Xperia Mini Pro" (model number SK17i) running Android 2.3.3 (Kernel 2.6.32.8-perf, build number 4.0.A.2.335). It's branded by Orange Austria. I'm looking for a way to root it, ...
1
vote
1answer
187 views
Nexus One stuck in loading screen - How to save application data? (ROOTED)
I have my N1 rooted and after I installed BlackRose and change the partitions with password protection I wasn't able to start Android ever again. It show this screen:
I can access to the adb shell, ...
1
vote
1answer
643 views
Where is the code for the Bootloader stored in an Android phone?
Where is the bootloader program on an Android phone stored ?
1
vote
1answer
390 views
How to Install our android image in laptop ? How to make android boot-able image for laptop?
I have Android Source Code image and i want to install it on Laptop . I want to know how we made bootable image for laptop with android image.
What I have to do so that laptop detect the android ...
1
vote
1answer
4k views
Android boot-up messages for debugging?
I am trying to figure out if Android (i.e. Galaxy Nexus, Nexus S, and/or Motorola Xoom) come with some sort of capability to produce a "boot-up" log. (kind of like Linux boot-up screen) It would be ...
1
vote
1answer
729 views
Unlocking the Bootloader on a Nexus One with S-On
I'm interested in rooting my (Very recently bought) nexus one, and installing Cyanogenmod over Fastboot.
However, on the boot screen of my device I've noticed the first line tells me that security is ...
1
vote
1answer
50 views
Disable splashscreen - BOOTLOGO disabled
First off all I must start by saying that I am not an Android Expert.
I Have some android TV box ( not a phone ) which is of some unknown third party chinese vendor . it is already rooted .
I need ...
1
vote
1answer
177 views
Is the setting OFF/ON of the security flag different from enabling/disabling of fastboot?
I am following the book XDA Developers Android Hackers Toolkit 2012.
In the beginning chapters , it says that :
The second-stage bootloader checks to see if the security flag is on (S-ON) or off ...
1
vote
1answer
142 views
Why is my Kyocera Echo taking 6 minutes to boot?
I have a Kyocera Echo that now takes about 6 minutes to boot. I haven't rooted it or tried to perform any 'hacks' on it. I've had it for a few months now. It's running Android 2.3 if that helps. I am ...
1
vote
1answer
2k views
Xperia play bootloader locked?
Hi guys i've been trying for quite a while to unlock the bootloader of the phone i've bought. It's from hong kong and branded to vodafone it's not sim locked as I tried an optus sim and it worked.
I ...
1
vote
0answers
217 views
Extract boot.img issues
I have been having a lot of trouble trying to extract a boot.img. Its one of Samsung's with the funky headers so none of the scripts work. I tried HEX editing it so it is a gzip (1f 8b 08) and ...
1
vote
0answers
647 views
Flash Nexus 7 without USB Debugging
My Nexus 7 32gb WiFi, running stock 4.2.1, is stuck on the Nexus 'X' symbol loading screen after boot. It stays there until the battery goes flat. The issue is that I have not enabled developer or ...
1
vote
0answers
168 views
How can I see bootloader stdout debugging messages?
I'm trying to understand the mechanisms of the Android bootloader.
The source code for this is here:
...
1
vote
1answer
736 views
Can't access Recovery Menu Milestone a853
I'm trying to flash a Cyanogenmod 7.1.5 on my Motorola Milstone A853. I can access the Bootloader (version 90.74) and started RSDLite 5.7 and used a base sbf file, which flashes normally.
When I ...
1
vote
0answers
39 views
What are the technical differences between bootloader, recovery, kernel and ROM? [duplicate]
Possible Duplicate:
What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.?
I'd love a reference (or an explanation if anyone has the time) on what characterizes these different ...
1
vote
1answer
5k views
Galaxy s2 will not boot, wrong bootloader
My Samsung Galaxy S2 GT-I1900 won't boot.
I tried to update to ICS with Kies which crashed, wherefore I unplugged the USB to start over.
Now my phone had no OS, and wouldn't respond to Kies anymore.
...
1
vote
1answer
232 views
Flashed my phone without rooting and now it doesn't work
I have an international Samsung Galaxy SIII i.e. GT-I9300.
Few days after the official upgrade to v4.1, it started freezing.
So I removed the battery and inserted again and it did not boot and was ...
