Update 2 by hatoncat: Despite what some other sites are reporting this update is now available to corporate Sprint Sales & Service Stores… Maybe
Update by hatoncat: These updates appear to resolve some issues that Sanyo phones were having with the Shentel affiliate market, in Virginia. These updates do not appear to change anything else.
The following devices have new software updates:
Sanyo 4500 – version 3.0036
Sanyo 4700 – version 1.113
Sanyo 4900 – version 1.059
Sanyo 5300 – version 1.038
Credit to 3Gis4me for the Information