Boost Mobile i855 - Manual (Page 74)

Safety Information 70
• Any combined rating equal to four is
considered usable.
Thus, if you use an M3 phone with a M3 hearing
aid you will have a combined rating of six for
“excellent use.” This methodology applies
equally for T ratings.
More information about hearing aid compatibility
may be found at:
www.motorola.com/accessibility, www.fcc.gov,
www.fda.gov, and
www.hearingloss.org/learn/cellphonetech.asp