Nokia 8710 [new] -

No calendar, no alarm (except via a hidden “clock” menu), no calculator. It was a phone and SMS device only.

And when you do, do not turn it on. Just hold it. You are holding a ghost of the future that never was. nokia 8710

None — the 8710 is too obscure to counterfeit. However, some sellers mislabel Nokia 8800 units as “8710” — check for the detachable leather case and monochrome screen. No calendar, no alarm (except via a hidden

Assuming you find one—and that is a big "if"—the value of the Nokia 8710 is not in its utility. You cannot use this phone on modern 4G/5G networks. The SIM card slot is for a full-size credit card SIM. The battery is almost certainly bulging or dead. nokia 8710