Hi guys, if you have software problem on your Blackberry Z10 you can easily fix it in just a few minutes using a free software. All you need to do is to download the necessar file. Go to this link and download the 123_b055_multilanguage then install it on your laptop. You must have first blackberry usb driver.
After installing insert usb cable on the powered phone and connect it to your laptop then install drivers. Now run the program and wait until finish.
That's how easy it is :)