Check your Serial Number... if the last 4 characters are DRHN... then take a close look at the 3rd & 4th characters in the SN... if the 3rd & 4th characters are one of these pairs:
H9, HC, HD, HF, HG, HH, HJ, HK, HL, HM, HN, HP, HQ, HR, HT, HV, HW, HX, J1, J2, J3, J4, J5, J6, J7, J8, J9 -- you may be eligible to obtain a replacement device...
More: Apple says small number of Apple TVs have WiFi issues, opens replacement program | 9to5Mac
H9, HC, HD, HF, HG, HH, HJ, HK, HL, HM, HN, HP, HQ, HR, HT, HV, HW, HX, J1, J2, J3, J4, J5, J6, J7, J8, J9 -- you may be eligible to obtain a replacement device...
More: Apple says small number of Apple TVs have WiFi issues, opens replacement program | 9to5Mac