I’ve been looking some good solutions on how to format my nokia 5310 express music phone in the different information resources in the internet but I haven’t find any much good solutions on how i can format my nokia 5310. My phone is working but some of the features is not working good. I was trying to connect it in my PC but my computer doesn’t able to recognize my phone, and I have an error occur “USB has not been reconized” and I took that my problem is on my cellphone. That’s why I want to format it for I know this could solve my problem in formatting my nokia 5310 express music phone.