Phone keeps shutting down randomly - G2 and Desire Z Q&A, Help & Troubleshooting

So after rooting my girlfriends g2 and installing cyanogen mod and coredroid mod the phone sometimes turns off.when my girlfriend turns on the power button it just shows the HTC screen and load from thr beginning as if you've just turned on the phone.I hear the it might be cause she gets no signal in school or something about the CPU speed....i'm not really sure but all I know is she never had it before I rooted her phone. Does anyone else have this problem?
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I'm confused. What do you mean by you installed both Cyanogen mod and CoreDroid mod.

it has to do with the cpu settings

I´m having the exact same issue after installing the cyongenmod 4.2. Please how to chage cpu settings?

Cyanogen 4.2..? Pardon me, but that's a typo correct? Either way off the top of my head the only app that controls CPU and is free is rom toolbox, look for it on market

inckka said:
I´m having the exact same issue after installing the cyongenmod 4.2. Please how to chage cpu settings?
Click to expand...
Click to collapse
If you're on a fresh install of CM, thr cpu speed isn't the issue; CM defaults to an overclocked speed.
Sent from my HTC Vision using XDA App

Do a wipe. Reflash the latest nightly. 263
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Related

Phone getting stuck a low clock speeds

Every once in a while when I wake my phone up, the clock speed stays at what it gets set to when the screen is off. The profiles seem to not work at this point until I reboot. I'm running stable cyanogenmod. Is there any way to remedy this?
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Anybody got anything?
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I thought that I had this problem on my cliq... turns out that the profiles were switching but the widget wasnt updating...could that be your issue?
Durkbeef said:
I thought that I had this problem on my cliq... turns out that the profiles were switching but the widget wasnt updating...could that be your issue?
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Click to collapse
No. I did have that problem on my G1 but on this phone when it says it's running at 300 Mhz, it is. Apps open slower, linpack is low. It's definitely getting stuck somwhere.
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I wkuld recomend auto detecting speeds to make sure its got the right info for your kernel. Then i would reboot the phone. Also try turning the widget off. If your still stuck uninstall setcpu and start frrom scratch. I would reflash my kernel at this point as well.
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shortlived said:
I wkuld recomend auto detecting speeds to make sure its got the right info for your kernel. Then i would reboot the phone. Also try turning the widget off. If your still stuck uninstall setcpu and start frrom scratch. I would reflash my kernel at this point as well.
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Click to expand...
Click to collapse
Thanks man. I'll give all those a try.
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Help me diagnose my soft reboots.

Every now and again (6 times yesterday) I get soft reboots (back to bootanimation) on my Device. (While running almost every ROM, although I am running CM7 RC1 at the moment)
The next time it happens, what would be the best thing to look at? LogCat or kmsg?
I would like to figure out if it is the ROM or a rouge (crashing) app that is causing the problem?
If there is anymore info that would help, please let me know?
Thanks
Stew
Anyone??
I just had another one when my phone started to ring!
It rang once and BOOM back to bootanimation!
This is a bug in all 2.3 AOSP ROMS.
jordan.harris01 said:
This is a bug in all 2.3 AOSP ROMS.
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Click to collapse
I am pretty sure that it has done it on every rom I have tried (including 2.1, stock sense), this is what is making me think it is a rouge app.
Sent from my Amiga 500 using Workbench
Do you use setcpu? Custom kernels?
Sent from my HTC Desire using XDA App
TheGhost1233 said:
Do you use setcpu? Custom kernels?
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
I have done in the past. But at the moment I am using cyanogenmod settings to manage the cpu (min 245 max 998) and using stock cyanogenmod RC1 kernel. Using ondemand governer at the moment too.
It has happened while using other Kernels too though.
Thanks
Stewart
Sent from my Amiga 500 using Workbench
This has just happened again?
Anyone got any ideas?
Sent from my Amiga 500 using Workbench
You should know that I started to have these soft boots a few weeks ago on my unbranded, unrooted, un-anything Desire. it has all the available updates. I have not changed anything major in it, just installed programs, but nothing like a task manager or other utility of this sort. Still, I get reboots a couple of times a week, sometimes when I am calling someone, or when someone calls me.

[Q] HELP!?!?!?!?!?!

what do i do? i was flashing cm 7.03 and now its just stuck on the screen where the blue arrow goes around and around. what do i do? any help is appreciated.
happymfeet said:
what do i do? i was flashing cm 7.03 and now its just stuck on the screen where the blue arrow goes around and around. what do i do? any help is appreciated.
Click to expand...
Click to collapse
Take out the battery. Put it back in and start your phone again. If the same happens repeat the battery pull but this time hold down on the volume bar and THEN press the power button to restart your phone. After it starts up in bootloader select recovery by moving the volume bar and then hit the power button again. This will bring you back to recovery where you can flash the rom again or restore your backup.
EdKeys said:
Take out the battery. Put it back in and start your phone again. If the same happens repeat the battery pull but this time hold down on the volume bar and THEN press the power button to restart your phone. After it starts up in bootloader select recovery by moving the volume bar and then hit the power button again. This will bring you back to recovery where you can flash the rom again or restore your backup.
Click to expand...
Click to collapse
Thanks im restoring my backup now. I thought i had bricked my phone or something. i just rooted my phone so this was my first ROM that i was flashing so I wasn't sure of what to do.
I know this going to sound stupid, but can anybody point me to a guide or video on how to flash roms? Im new to all this so I dont want to mess anything up.
happymfeet said:
I know this going to sound stupid, but can anybody point me to a guide or video on how to flash roms? Im new to all this so I dont want to mess anything up.
Click to expand...
Click to collapse
YouTube is your best friend sir. I wish I had one to direct you to, but a Google or YouTube search with do you just fine.
Sent from my HTC Vision using XDA Premium App
happymfeet said:
I know this going to sound stupid, but can anybody point me to a guide or video on how to flash roms? Im new to all this so I dont want to mess anything up.
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Click to collapse
http://www.youtube.com/watch?v=jYOzWLVnBuc&feature=fvst
Note: Start @ 3:15. In the video clockwork mod is black/green but that's just because its an older version, the newer version is black/orange. All the steps are still the same though.
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eioous said:
Note: Start @ 3:15. In the video clockwork mod is black/green but that's just because its an older version, the newer version is black/orange. All the steps are still the same though.
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Click to collapse
Thanks, appreciate it.
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happymfeet said:
Thanks, appreciate it.
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Click to expand...
Click to collapse
Also keep in mind that some roms can take up to 5 minutes to load the first time. Normally (but definetely NOT always) as long as it doesn't keep reloading the boot animation, everything is fine - the rom is building your file system on your first boot.
Sent from my shiny metal G2 w/ meXdroid V3
What rom do you all think is the best? Im currently on cm 7.02 and i like it but i want to know your opinions
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Also what are
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Also what are the benefits of switching kernels? And which do you all recommend?
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if you took the time to read about kernels and what they are you would know.
but, i'm in a good mood today:
Kernels govern your cpu speed and how to scale it. Some are locked to a certain frequency set and some are made adjustable, but you have to get an app that interacts with the kernel otherwise it runs at whatever it is preset to.
SetCPU is the one I used, but I know there are plenty out there that others would recommend and swear by in a heartbeat.
mputtr said:
if you took the time to read about kernels and what they are you would know.
but, i'm in a good mood today:
Kernels govern your cpu speed and how to scale it. Some are locked to a certain frequency set and some are made adjustable, but you have to get an app that interacts with the kernel otherwise it runs at whatever it is preset to.
SetCPU is the one I used, but I know there are plenty out there that others would recommend and swear by in a heartbeat.
Click to expand...
Click to collapse
Thanks, which kernel do you have and would you recommend me getting it?
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I'm using Virtuous rom 1.02 with the advanced kernel. I clocked mine at 475-1100mhz with a low battery profile switch at 275-887 (i think).
Check your rom specific kernel to make sure it runs best for your rom. The rest is personal preference.
Sent from my Desire Z via XDA App
*sigh* Give a man a fish and he will eat all day. Teach a man to fish and he will drink beer all day.
Since you're on CyanogenMod, I recommend Pershoot's kernel (available through ROM Manager). If you're feeling bold, download Flippy's latest kernel. Since I'm running the CM-based PyroMod, Pershoot's kernel is built in.
Everytime i flash a rom do i need to flash clockwork mod recovery?
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I suggest you check out the stickies sections that has links to a bunch of very well written guides that answer all your questions. the responses you get here are going to turn ugly very fast.
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If you open clockwork and your current recover is the same as newest version then there is no need to reflash recovery. The only reason to reflash clockwork is if there is a newer version out.
Sent from my HTC Vision, G2, Ultra super premium awesome phone.

What causes random reboot in every rom?

I wonder wat causes all the random reboot,is it got to do with undervolt,overvolt,CPU speed and minfree value?
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Steven How said:
I wonder wat causes all the random reboot,is it got to do with undervolt,overvolt,CPU speed and minfree value?
Sent from my Desire Z using xda app-developers app
Click to expand...
Click to collapse
..overvolt?
Anyway undervolting and CPU speed can definitely cause reboots. Some phones can't go beyond 1.2GHz and I know undervolting can cause instability when brought down too low.
Personally I haven't had a random reboot in as long as I can remember, but I also don't undervolt and I don't OC past 1.2GHz.
Well,I'm using sense rom in the moment,enabled swap and supercharge.. and oc it at 468-1458mhz.. =\ still reboot,does vm heapsize affect rebooting?
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Steven How said:
Well,I'm using sense rom in the moment,enabled swap and supercharge.. and oc it at 468-1458mhz.. =\ still reboot,does vm heapsize affect rebooting?
Sent from my Desire Z using xda app-developers app
Click to expand...
Click to collapse
My phone's upper limit is also at 1.4GHz, runs stable on it, but haven't really felt the need for that. One thing that comes to mind is that your lower limit is pretty high. What governor do you use? Do you have a profile for screen off and what's the frequency fork there?
I would assume that with that setup the phone gets pretty heated, which could very easily cause random reboots. Any idea what temperature it usually runs on?
Myth010 said:
My phone's upper limit is also at 1.4GHz, runs stable on it, but haven't really felt the need for that. One thing that comes to mind is that your lower limit is pretty high. What governor do you use? Do you have a profile for screen off and what's the frequency fork there?
I would assume that with that setup the phone gets pretty heated, which could very easily cause random reboots. Any idea what temperature it usually runs on?
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Click to collapse
468-1457mhz smartass screen in,122-468mhz screen off conservative.. =\
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Maybe you should try lowering the upper limit to 1.2GHz for a while see if it makes any change... in the meantime it might be helpful to know:
a) Which specific rom are you using?
b) Any custom kernel?
Myth010 said:
Maybe you should try lowering the upper limit to 1.2GHz for a while see if it makes any change... in the meantime it might be helpful to know:
a) Which specific rom are you using?
b) Any custom kernel?
Click to expand...
Click to collapse
Android revolution 6.3.3 (sense 3)
And unity v9 kernel..
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mine used to reboot when i first had it, searched the net & it suggested the sim card.... made sure it was pushed in properly & its been fine ever since....
I found out when I use this android revolution 6.3.3 rom,and flash a music player mod by lyapota,it mix up the word,like holding home it appear recent app,but after flashing I get your personal information and if I use home long press to multitask,the whole phone will just reboot :/
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Sometimes screen on during standby.

I use one of chinese Rom with Android 4.0.4 with Sense 4.1 from 10.10.2012
I flash BeastMode kernel 1.5 but version 'test', this with scary gov.
Everything is ok. Only one thing is bad. Sometimes when phone is sleeping screen turns on for a second or two and after that turns off. After a few minutes situation is repeating.
I search for answer what can be wrong, but I found nothing.
So what could I try to avoid this.
Maybe you had similar problem in past. Or what program may I use to detect what is a problem.
And sorry for my English.
Sent from my HTC Desire HD using xda app-developers app
Hehe no problem dude, welcome to xda
Probably cause you're using a highly experimental ROM with the Scary gov and beastmode. Maybe try reflashing. Link to the ROM?
DESTROY THEM WITH LAZ0RZ
Link to download: h..p://pan.baidu.com/share/link?shareid=76690&uk=3858779036
Chinese page with Rom: h..p://bbs.gfan.com/m/android-5189919-1-1.html
I use this kernel because with it I can change voltages and it have 122000 minimal speed, and with scary I find battery drain when I use phone is relative small.
And with this Rom I can't do reflash without losing data. Rom when flash do autowipe.
I have recovery with original kernel, so I can flash boot from it.
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