I have a blackberry 9300 the 6.0 bundle2534(v6.0.0.570,platform6.6.02012) amd I'm using MTN on my (b.i.s) and its been working properly but for the last two weeks I've been having problems downloading and I thought its only my phone but my friend had the same problem his also on mtn and today I actually rebooted my phone my means off typing my password in incorrectly and the phone rebooted but that did not help so please any one help me to fully enjoy and use my blackberry