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use a rated phone successfully. Trying out the phone with your 
hearing device is the best way to evaluate it for your personal 
needs. 
This phone has been tested and rated for use with hearing aids 
for some of the wireless technologies that it uses. However, there 
may be some newer wireless technologies used in this phone 
that have not been tested yet for use with hearing aids. It is 
important to try the different features of this phone thoroughly 
and in different locations, using your hearing aid or cochlear 
implant, to determine if you hear any interfering noise. Consult 
your service provider or the manufacturer of this phone for 
information on hearing aid compatibility. If you have questions 
about return or exchange policies, consult your service provider 
or phone retailer. 
M-Ratings: Phones rated M3 or M4 meet FCC requirements and 
are likely to generate less interference to hearing devices than 
phones that are not labeled. M4 is the better/higher of the two 
ratings.   
T-Ratings: Phones rated T3 or T4 meet FCC requirements and 
are likely to be more usable with a hearing device’s telecoil (“T 
Switch” or “Telephone Switch”) than unrated phones. T4 is the 
better/ higher of the two ratings. (Note that not all hearing devices 
have telecoils in them.) 
Your phone meets the M4/T4 level rating. 
Hearing devices may also be rated. Your hearing device 
manufacturer or hearing health professional may help you find 
this rating. For more information about FCC Hearing Aid