mas / mba.. tolongin gw dnk. gw baru aja bli e71 ne..
pas mo install apps na ada Certificate error gitu, nah gw cari2 deh di forum ini, tapi kok ga kliatan ya tutorial yang jelas dari awal sampe akhir buat ngilangin masalah gw itu. gw dah sempat gabung ke Dev Cert setela liad2 thread di sini tapi ga tau gimana cara gunainnya dan program2 apa aja yg di butuhkan.

kasi link ke tutorial na plis, ato klo ga keberatan ditulis disini jg gpp kok.
en kalo bisa, mintanya yg paling simple, dan lengkap ya, soale gw lemot abis

device gw : e71 f/w 200.21.118

thanks b4 for all

kok kagak ade yang reply yak???

Ini caranya aku ambil daro forum internasional bang....

For Certificate Error issues:

Go to "App. Mgr.", press "Options", press "Settings", make sure "Software installation" is set to "All", and "Online certif. check" is set to "Off".

For Expired Certificate issues:

If you encounter Expired Certificate error during installation on to your Nokia phone, please set your mobile phone date back 1 year before you install your theme. Set the date back after installation.