A standard Nokia flash file package (ROFS/UDA/CORE) contains:
Ensure you download the version specific to your needs (e.g., EURO for Europe, MEA for Middle East & Africa) to get the correct language support. Where to Download nokia e71 rm346 latest flash file
The latest official flash file (firmware) for the is v510.21.009 . EURO for Europe
No. Nokia ended Symbian updates for E71 in 2011. 500.21.009 is the final official version. Custom firmwares (“CFW”) exist (e.g., E-fluence, N97-style), but they are unofficial and may have bugs. nokia e71 rm346 latest flash file
Configuration files that help flashing tools identify the device and its product code. Top Tools for Flashing the RM-346