My nokia 5130 while downloading says not valid certificate

This error comes when the particular firmware of a phone is out-dated.So, update your phone's firmware via GPRS or by flash with up-to-date file version.So, here if you wish to do it by yourself Click here1.or you can contact mobile repairing shop.Select and download your 5130 flash file from All nokia bb5 flash file.Thank you for visit fixya

br unlock mobile ex

yes mostly this problem arises.... i will suggest you a site which will give 100% supported softwares http://www.umnet.com/phone/1774-Nokia_5130_XpressMusic

hi, your phone is certificate protected, it will not allow you to install applications that does not have a geniue Certificate...what that means is that you will only download from site that are up to standard i.e site that keeps Applications and Softwear with valid certificate....You can get some free Applications in Ovi Stores...
cheers

How to download nokia 5130 certificates

Hi


Not aware of the 100% solution and never faced such problem too.. but try updating / re-installing the firmware.

No valid certificate

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I want valid certificate