please please learn to update your phone periodically
if you go to setting , on the phones updates check for new updates and nokia will be glad to let you download the updates which will come with all missing certificates.
But some old phones are nolonger supported and this as remain big challenge to developing countries who have become a dumping ground for such outdated gadgets.
if you go to setting , on the phones updates check for new updates and nokia will be glad to let you download the updates which will come with all missing certificates.
But some old phones are nolonger supported and this as remain big challenge to developing countries who have become a dumping ground for such outdated gadgets.