Interesting device problem (apps stopped working)

i use ipt test device , have 50 test programs on it. provisioning profile expired , noticed programs stopped working.

figured because of expired profile, nothing else changed (no updates / upgrades)

reset provisioning profile , compiled , ran few programs, everything's fine. except, older test programs. start load, freeze up. have power down ipt.

assumed before because of expired profile, still don't work.

tested same apps in simulator , work there. of these standard apple api examples (accel graph) recreated of them, , work when recompile them.

lead me thing it's compatibility issue between api's or something, nothing has been updated or upgraded.

isn't huge problem, test apps, i'd know what's going on here.

had apps compiled , running, stop. no message, nothing. have power down device.

there log on device can @ give clue what's going on?

isn't 'home' button supposed override app , force close?

i'm concerned knowing stuff in depth...

edit: on example bubble level, runs on simulator, when run in on ipt, loads 1/2 graphics , goes stops returns os, run second time , locks , have power down device.

same space vikings book i'm reading... recompile , works fine.

 

did remove old expired profiles/mobileprovision device?

 

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