How to understand reboot reasons?

[#1]

I just bought SE X10 mini pro and get some random reboots when i use some programs from Market (games, animation wallpapers).

Cant find strong regular way to repeat reboot. But i must understand in short time — is this software or hardware problem (and then change my phone at store for another one).

is it possible for app to use so much phone resources for crash and reboot? Memory leak or something. is there log file anywhere?

Android 2.1, temp 35°C, almost default settings.

[Uliwooly · Accepted solution]

it could be that the app its faulty and its rebooting your phone, backup everything and repair your phone with Update Service

http://www.sonyericsson.com/cws/support/mobilephones/downloads/subject/updateservice/1.738918?cc=gb&...

[Uliwooly]

if you want to backup your SMS/MMS

Install "backup SMS" to back up your SMS and MMS to your Gmail

https://market.android.com/details?id=com.zegoggles.smssync&feature=search_result

or your SMS use

"backup & restore SMS"

https://market.android.com/details?id=com.riteshsahu.SMSBackupRestore&feature=search_result

or for your MMS use "Save MMS"

https://market.android.com/details?id=com.schwimmer.android.mmsextract&feature=search_result

one last thing

Don't worry so much about backing up your apps

on your computer go to

market.android.com -> log in -> click on My Library -> and send all your apps to your phone

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[#4]

I delete apps that i think may be faulty. Look like it helps, thanks!

I decide not install any new apps for some time, to get proof that was software problem.

[Uliwooly]

if you need any more help let me know