Blackberry's latest OS maintenance update (10.1.0.4633) appears to anger several users as they notice their SMS history to be mechanically deleted. There also are different reports of the many different SMS issues like not having the ability to clear the notification and no ability to use SMS the least bit.
Blackberry has somewhat issued an announcement relating to the matter in their information primarily based article and presently there are not any fix for it nevertheless.
"This may be a antecedently according issue that's being investigated by our development team. No resolution time-frame is presently out there."
Those who have updated their OS and want to revert back to 10.0, merely connect your phone onto your pc and Load up Blackberry Link. From there, you'll favor to restore your phone back to the works image.