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I notice a lag when quick composing or quick replying from the lockscreen... Other than that it works fine. I am running Bitesms 6.1 on an iPhone 4 5.0.1
 
I've noticed lag in the app in the last week. Scrolling through the list of people and selecting a person has a delay now. I'm hoping they release an update soon to address it.
 
I get lag when I open the app. It stays at a blank sms list for little bit then when the list loads I can scroll for maybe .5 seconds then it freezes again.
 
Urg....now I am also getting it..6.2.7 ios 5.0.1

lagging only at the contact/messages list...to the point that scrolling is super jerky and clicking on conversation does not register....

QR/QC no lag...

I think this is best posted on their forum, but I share your anxiety!
 
Anyone find a fix for this? Not sure how to download the beta version (couldn't find anything in the above link). My lag is getting worse and worse for some reason.
 
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