As already mentioned earlier, you are in the wrong thread...And another you did that you shouldn't is that you should not quote the whole OP......I see that you are new to this forum but you should read some basic rules of the forum...good luck with your browsing.....
Ok now to the point, the latest RR 5.5.9 is stable enough and going great.....Though I do have some random loss of cell network but it might be due to other reasons as well....Battery life for me isn't quite good enough but I can live with it ....
---> sir do you encounter problem in simcard toolkit? Because every time i check my balance on simtoolkit my network said sorry unable to process wrong keyword. How about you sir?