One of the accidents is that i'd got my bb error. No matter how many times I tried to turn it on, it always showed a blank monitor with a message called 'jvm error 545' It asks you to reset the phone but even you click the reset button, it makes no changes at all
Nah, guysssss.... dont worry when you face a same case with mine cause it turns out that its just a common problem and no need to be worry O:)
ga perlu merogoh kocek dalam ke counter hp, you can fix it by yourself!
Caranya
Pertama siapin dulu barang barang kaya laptop dan data cable
Then, open the blackberry desktop manager apllication. kalau belum punya tinggal download aja di Website Blackberry
Sambungin hp kamu sama laptop pake kabel data tapiii cabut dulu batrenya jangan dipasang ya
Then, there'll be option like this

choose the applications menu yang bakal terfollow up sama pop up menu yang lain terus kamu pilih update.
and your job is waiting :) the process can take up to 40-60minutes

in the middle of the process there will be a little obstacle, but calm down ;) its your time to put back the battery into the phone. terus pilih aja retry di pop up menu yang muncul.
sampai akhirnya selesai! your phone can restart again and can be used as usual :))
btw ini direset ya berati data data kaya contact semua juga bakal kereset dan deletedso dont forget to backup data before do this action.
Selamat mencobaaa