Text message alert sometimes doesn't sound

[Injector]

Sometimes I can be sat next to my iphone in a quiet room and I'm waiting for a text (reply to one I've just sent). I haven't had a reply for a while so I unlock my phone, go to my inbox and there is a new text! It wasn't showing on my home screen and there was no alert tone. Has anyone else experienced this bug? I think I've only experienced it within a threaded conversation.

 

[jeffames226]

I am having this problem too and cant believe nobody has been able to answer it yet.

 

[Injector]

It happens to me me fairly regularly. What firmware are you on, have you updated to 4.1? I'm still on 4.02 as don't fancy the bugs I've read about in 4.1...

 

[ghost blade]

mines simular but different, mine sounds twice sometimes for the same message, with a 1min gap inbetween, though id post my issue her insted of makin a new thread

 

[schiesserrr]

My iphone 4 will not back up in itunes. It only started happening recently and everytime I plug it into my computer it tells me to delete the old backup and try again. Any ideas??

 

[ghost blade]

My iphone 4 will not back up in itunes. It only started happening recently and everytime I plug it into my computer it tells me to delete the old backup and try again. Any ideas??

Try restoring from a recent backup, or if not maybe try adding it as a new phone as a last resort.

I think we should get back to the original posters issue though

 

[bknewtype]

maybe you recieved the text before you phone went to "sleep" and you didnt hear the volume cause something was blocking it? so it wasnt a new alert and its the sound during a text convo, if you know what i mean.
it happens to me all the time. the speaker seems very sensitive, wen anything remotely coverign the speaker i am unable to hear any alerts ( esp text messages).