General :: Boot Up Old Droid X Without Battery?

May 26, 2013

I replaced my old Droid X a long time ago. Eventually the battery swelled and I threw it away.. so my old X currently has no battery. When I plug it into PC USB, nothing at all happens. If I plug it into wall power, the Motorola logo comes up, then a few moments later a big emtpy battery icon appears with a question mark in it. I can't get it to go anywhere from there.

Is there some kind of key combination I can push to force it to boot into the OS or is a battery, even a dead one, required to operate the device?

General :: boot up old Droid X without battery?


General :: CM7 - Droid Boot Loops After Dead Battery

Nov 4, 2011

I'm running CM7 on my droid and when i run the battery flat, plug it in to charge it. it then boot loops for like 5 mins and works just fine.. also any OC'd kernal suggestions, right now im using one of the chevyno1 kernels but the phone still seems a bit laggy at times what are some good tips to speed this thing up a bit. and how to fix the bootloop issue?

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General :: How To Boot Phone When Battery Low

Jul 23, 2012

When i connect to charger, it show this i cannot boot when long press power button

when i unplug, cannot boot also

i used a battery fully charged from battery charger still no use

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General :: Battery Consumption Is More At Boot Up Of Device

Nov 20, 2013

I had made changes in S/W as suggested in post : [URL] .....

The device I am working is also having wake up lag about 2 sec.It varies from 1.2sec,0.8sec,1.8sec..etc. I implemented the new wake log to prevent the phone from deep sleep as you have mentioned. Now the time required for wake up from deep sleep is reduced to 0.8s and its quite consistent. Although I have to yet check for battery consumption during deep sleep.

However I have found that now when the phone is reset the battery consumption is more during the power up of the phone. For Ex. from 36% before power up and 24% after powerup.

Checked with another device and its only taking 3% for boot up.

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General :: HTC Desire HD - Prevent Battery Check On Boot?

Apr 1, 2014

Yesterday I made some modifications to my old HTC Desire HD. I removed the battery and instead soldered a fixed power adapter to the phone (at + and - where the battery usually is). It worked well, I could reboot it, turn it off and on as usual. But then I desided to flash another ROM (an unofficial CM 4.4 port), and now the phone is shutting down as soon as it enters the launcher. It says I need to connect the charger.

I can successfully boot the phone if I start the phone with the charger plugged in (which probobly isn't healthy for the phone but whatever). Then I can unplug the charger with no problem.

So, i've tried deleting the batterystats.bin file, replaced it with an empty file with no r/w permissions at all, but it will still be replaced by the system at reboot.

How can i skip the battery check att boot, or how can i lock it to 100% forever?

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General :: Phone Battery Drained Now Stuck In Boot Loop

Aug 9, 2012

I was listening to music as I always do. I didn't realize it but the phone (Rezound) drained a bit faster than expected and died completely. So I went to to charge it, and left it overnight, off naturally, now when I power it on, its stuck on a boot loop.

It goes throught the startup animation, and once it gets to Sense, in the few seconds before the radios kick in and it finds the cell service, it reboots and starts all over again. Only way to get it to stop is pulling the battery out.

I started to do the hard reset, but when I got to the window for it, all I saw was Factory Reset (I guess they are the same) so I selected the option for reboot.

The light to charge does show its charging, and at one point, when I had it plugged in this morning, and managed to swipe the ring to get to my swipe lock screen, it was saying I was at 99%. then it goes all slow and then rebooted.

I used the factory wall charger, and its drained I think once or twice before, and I have done the FoxKat method of calibrating before this. Not sure if its a battery thing, since it will power up, or not.

I'm stock, non rooted, on GB.

I don't really want to do a factory reset as I'd like to have my messages saved. I did save them last week when I saw ICS was available, but i have some new since. I'm pretty sure my pictures and videos will be saved during the reset. I don't think that folder gets wiped. However I was going to try going to a VZW store to see about a new battery. The phone is new since June.

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General :: Android Tablet Won't Boot - Battery Symbol With Triangle

Aug 22, 2012

When I turn my tablet on, I get a battery symbol with a triangle around it and exclamation mark in middle.

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General :: Android Boot Sequence And Backup / Access To Boot / Recovery Partitions?

Oct 4, 2012

I try to understand android boot sequence on my JB (under CM10). I found some docs and there should be specific partitions (boot, recovery, system, cache, data).

My understanding of the boot sequence is now:

A) normal boot:
1) Power ON ->
2) bootloader ->
3) boot-partition where i flashed the kernel aka boot.img ->
4a) system-partition with the OS (libs, UI, etc) where i unpacked over CWM my customROM.zip ->
4b) data-partition, where i unpacked google-apps.zip and installed all the apps ->
4c) cache-partition with user data

B) recovery boot (adb reboot recovery):
1) Power ON ->
2) bootloader ->
3) recovery-partition with CWM where i may unpack all the .zip stuff to proper partitions, or restore from sdcard, etc.

Is this correct? I wonder, because i didn't installed CWM into recovery-partition. It cames from install of CM10 (fastboot -i 0xfce flash boot boot.img), so it must be in boot-partition and not in recovery?

So, next confusion: i looked up to /proc/mtd and i don't see neither boot nor recovery partition here:

Quote:

# cat /proc/mtd
dev: size erasesize name
mtd0: 19000000 00040000 "system"
mtd1: 00600000 00040000 "appslog"
mtd2: 06580000 00040000 "cache"
mtd3: 1a400000 00040000 "userdata"

I did a backup with CWM and loocked the data. There aren't boot, and recovery backups:

Quote:

# ls -lha /sdcard/clockworkmod/backup/2012-10-04.18.49.55/
d---rwxr-x 2 system sdcard_r 4.0K Oct 4 18:56 .
d---rwxr-x 3 system sdcard_r 4.0K Oct 4 18:49 ..
----rwxr-x 1 system sdcard_r 1.6K Oct 4 18:54 .android_secure.vfat.dup
----rwxr-x 1 system sdcard_r 54.6M Oct 4 18:55 cache.yaffs2.img
----rwxr-x 1 system sdcard_r 360.2M Oct 4 18:53 data.yaffs2.img
----rwxr-x 1 system sdcard_r 212 Oct 4 18:56 nandroid.md5
----rwxr-x 1 system sdcard_r 214.6M Oct 4 18:51 system.yaffs2.img
#

So, i think i didn't understand the boot sequence and partition schema corectly.

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General :: How To Interrupt Android Boot Sequence To Force It Boot To Linux Kernel Only

Sep 12, 2013

I am trying to do some low level performance testing related to device processor cores through adb which I feel it is affected by Android background services and system stuff.

As I know that the Android boot sequence stages are as follow:

1.Execute Boot ROM code.
2.Execute the boot loader.
3.Load the Linux kernel.
4.Launch Zygote, which initializes the Dalvik VM.
5.System server which loads the Android system.

So my question is how can I interrupt this sequence to force it stop on stage 3 to load Linux kernel. This can implement my intermediary performance testings before loading again Android system.

Does Fastboot or Clockworkmod recovery can load my device to a kind of Linux kernel?

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General :: Can Android Boot Logo Screen Be Configured To Show Linux Boot Logging

Jun 13, 2012

Instead of seeing the boring old Android logo or my service provider's logo, I'd love to see the standard text-based Linux boot screen that shows the status of all the hardware and configuration info as my phone boots. My current phone is an HTC EVO 3D running Cool ICS with Sense 3.6 and Revolutionary CWM.

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General :: Droid X2 Battery Indicator Showing LESS Battery?

Jul 3, 2013

I've had a Droid X2 for almost 2 years, and as phones usually do, the battery life became pretty bad. It would get to 5% and then quickly die halfway through the day.

I purchased a new battery, and found it to be just as bad (supposedly). It would be down to 5% by noon without much usage, so I thought maybe the problem was with my phone and not an old battery. I'd just turn it off or try to find a charger...

It took me a few days to realize that it lasts hours past when it gets to 5%. HOURS. It reached 5% at about 1pm EST today, I used it my whole commute home on the train, made a two 5-10 minute phone calls this evening, and now past 9pm it still hasn't died.

So, it's not the battery. It's not the worst problem to have... but it would be really nice to know how much battery I have left.

Note: I rooted my phone about 1 week before I got the new battery.

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Android :: Boot Automatically When Battery Inserted

Aug 5, 2010

I am trying to find out how set my phone to be boot automatically when a battery is inserted like a computer which turns on when power is back. Does anyone knows anything about it? Is it about the software or hardware?

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Motorola Droid :: Won't Boot Past Cyanogen Boot Screen

Oct 30, 2010

I went to reboot my Droid because it was lagging a little and when it came back on it go stuck at the Cyanogen boot screen. I pulled the battery, put it back in and held the X to boot in recovery and my recovery won't come up either. It just skips right to the Motorola M and if it doesn't get stuck there it goes back to the Cyanogen screen.

I haven't made any changes to the phone at all so I am completely puzzled on why this is happening. I obviously can't take it back to Verizon since its rooted so if there is a way to fix this I really want to because I love my phone and my wife will kill me if it is screwed up.

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General :: Boot.img: Updated Is Too Big For The Boot Image?

Jul 14, 2012

huawei u8860:

i compiled a kernel from the sources kernel-3.0.8-U8860-IcecreamSandwich.tar.gz .

on virtual box ubuntu 10.04 (oracle java 1.6.0u33 )with

Code:
gcc -v
x86_64-linux-gnu
gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5.1)[code]......

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HTC Incredible :: Stuck In Boot Loop After Appling Battery Percentage Mod

Sep 4, 2010

I applied a battery percentage mod without doing a nandroid. Now I'm stuck in a boot loop. I tried reapplying the stock battery in recovery and still looping.

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General :: Droid 1 Won't Boot Into Recovery

Sep 25, 2011

I have tried using rom manager, holding the power button and selecting reboot recorvery, and by holding the power button and x. Each way I see the white m twice then the phone just boots up. I am running cm7 7.0.3. I have only had the phone for a week, I am trying to wait for the vigor. It worked fine Friday when I flashed cm7

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Sprint HTC Hero :: Worst Battery Killer - Prevents Sleeping From Cold Boot - No Interaction Required

May 24, 2010

Merely turning your phone on may be enough to prevent it from sleeping. What I'm about to tell you is 100% repeatable. I've done it about ten times now; it has happened every time. I'm running the stock Android 2.1 ROM from Sprint. <Background> When Android boots, it preloads a huge number of apps into RAM. Essentially, it's starting JVM processes and loading the classes of applications without actually executing any of their code. Android does this to reduce the lag you would feel when activating one of these apps. These preloaded apps are said to be EMPTY. There's no real penalty for preloading these apps since they're loaded in the background in otherwise idle CPU cycles and their processes will be terminated as needed to free up RAM for applications you begin using. </Background>

Although it should be impossible, one of those preloaded apps is preventing the Hero from sleeping. By process of elimination, I have found which one it is: Footprints.............

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General :: Droid Bionic Stuck In Boot Loop?

Apr 15, 2012

My Droid Bionic is eating a big bowl of boot loops and i cant get out of it. im rooted and was trying to restore my phone as i had installed android 4.0.3. and during the process i accidentally removed safestrap and im stuck in the boot cycle. it shows the bionic boot logo then goes back to where it says : Droid" and then it repeats. i cant boot into recovery either.

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General :: How To Change Boot Audio On Droid Bionic

Jan 28, 2012

I have read many post on changing the boot audio along with the boot animation, but was unable to get it to work with my bionic so i did some foot work with my budy and we figured out how to change the boot audio on the droid Bionic.

1. Download and extract the bootanimation file.

2. Backup/Move your stock bootanimation file out of system/bin

3. Move the new bootanimation file to system/bin

4. Move selected audio (Must be mp3 format and named "android_audio") to system/media

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Motorola Droid X :: Won't Boot Past Motorola Logo Nor Boot In To Recovery

Sep 16, 2010

I tried installing Tranquility and must have screwed something up because now my phone won't boot past the Motorola Logo. It's been sitting here like this for about 15min and I can't even boot into recovery by holding the power and home buttons. I don't know what else to do now. Idk if my phone is bricked but even if it is don't I need the SBF file to unbrick it and I can't find that file any where. I did a nand backup or whatever before doing any of this so hopefully that can help me. What should I do now?

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General :: Battery Meter Bug During Charge Makes Phone Think Battery Is Dead

Nov 9, 2013

I have a sprint GNex. I just started having this problem recently (but before the 4.3 update). I plug my phone in overnight and at some point in the middle of the night an error occurs that make the phone think it is off the charger and has a fully depleted battery. The battery level icon shows no charge and if I pull the phone off the charger it immediately says it has to shut down due to a low battery. However, as soon as I turn it back on it is back to normal with a full charge.

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General :: Google Maps Always Taking Up Big Portion Of Battery In Battery Menu

Dec 2, 2012

I've noticed that Google maps is always taking up a big portion of the battery in the battery menu. If I freeze it with titanium would that make a significant difference? I use it seldom enough to go thru the trouble of unfreezing it when needed if it's worth it..

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General :: Droid Bionic Battery Life?

Sep 19, 2011

I just got a new Droid Bionic last week. My brother got one about a week before me as well. I feel like his battery last so much longer than mine. What can I do to extend my battery life. I feel like he uses his just as much as me, but I feel like his last much longer. My first Bionic was defective and wouldn't charge past 40% so I returned it, and I feel like this one doesn't last as long as I want.

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General :: Make Droid DNA Battery Last Longer?

Jan 14, 2013

I would like to try and make my new droid Dna battery last a few hours longer. I have a battery saver app. But it doesn't do much.

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Motorola Droid :: Root Option To Add Battery Percent % Symbol Over Battery Icon In STATUS Bar?

Aug 6, 2010

I know this comes in some ROMs and maybe some themes, anyone seen a stand alone option for people in root to add this ability in the MENU bar, not the task bar?

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Motorola Droid :: Battery Meter Wont Accurately Read Long Life Seidio Battery

Apr 12, 2010

The internal meter says it is due for charge long before its out of juice. Battery Left widget will give accurate voltage levels, but it too is fooled, even after proper calibration.

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Motorola Droid :: Battery Wipe (inconsistent Battery Drain)?

Nov 13, 2010

Rooted Droid 1, running LFY 1.9 with it's 1ghz kernel, SPRecovery. Had a weird issue recently; the phone displayed that my battery life was at 40%, then probably ~30 minutes later it was down to 20%. I wasn't using it during that time, I just unlocked the screen to check something. Anyway, I opened my browser and within a minute or two I got the "15% battery life remaining" message, prompting me to connect my charger. I decided I would allow the phone to just die and shut itself down. So I waited ~45 minutes and it went down to 10%, then almost immediately to 5%. I turned on the GPS just to make it drain faster... I watched a one-hour television show and when it was over, I glanced over to the phone to see if it had died - nope, still on. I turned the LED light on, leaving the GPS running for ~25 minutes and it finally powered down. Then I plugged it in to charge and left the room. Came back in about 2.5 hours later and picked up the phone - it was very hot. Unlocked the screen and checked SetCPU and it was running ~135?F but it immediately started cooling down. It was fully charged, however so I unplugged it. I went to bed shortly thereafter and the battery life displayed 90% as I set the alarm to wake me up the next morning. I happened to wake up shortly before the alarm was set to go off and I picked up the phone to disable the alarm and noticed the red 'charge me' light blinking - unlocked the screen to see 5% and just then it powered itself down.

TL;DR -- Phone only got hot that one time, phone hasn't gone dead in stand-by mode again like it did that night. Battery drains at a seemingly normal rate based on my regular use from 100% down to 40%, then it rapidly drains after that, always skipping 30% and when it gets down to 5% it stays alive for quite a long time under heavy load. Is there a way to 'teach' the phone how to check and calculate actual and remaining battery % and to display it correctly? Is it kernel-related? I heard somewhere about doing a 'battery wipe' but I am unsure what that entails and searches are proving fruitless for me so far.

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Motorola Droid X :: Does Battery Status Pro Drain Battery Life?

Aug 12, 2010

does battery status pro drain your battery life?

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General :: Droid Razr Maxx Battery Life?

Mar 28, 2012

I'm at the end of the day now and I'm going to list my battery usage on here. The battery life is definitely better then my old android but I know people getting over 15 hours so called 'heavy usage' If theres anything you see that I can turn off or lessen the usage of something. I feel like I'm either unaware of something running the background that's sucking up battery life like the music player or maybe possibly not getting full potential. I've already done a factory reset and added apps back in slowly but still same kind of battery life. I've turned off date connection and turn on wifi when I'm home and it hardly improves, also use smart actions. I'll accept the fact that I'm expecting too much. But I'm just curious about what other Maxx users are getting?

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Motorola Droid :: Battery Life Worse At End Of Battery?

Nov 18, 2009

Does anyone else find that their battery does best at like 60%-70% charged and when it gets below 40 it moves a lot quicker? Also I've done 3 full drain and full recharges so far and my battery has improved sloightly each time, do you reccomend I do it again or is that just bad for the battery?

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