Most CFW is designed for RM-357 (European). Installing CFW on an RM-346 will break the 3G radio on band 850MHz. Stick to the official "latest" flash file unless you are an advanced modder.
Load the firmware files manually or using an .ini configuration. nokia e71 rm346 latest flash file
A popular professional tool for flashing BB5 (Baseband 5) devices like the E71. Most CFW is designed for RM-357 (European)
The most common tool for "Dead Phone USB Flashing". nokia e71 rm346 latest flash file
Based on the information provided in this report, we recommend the following:
Recover a "dead" phone that is stuck on the Nokia logo or in a boot loop.