No Modem Firmware but has IMEI - iPhone 6 - iFixit
iPhone 8 Teardowns Reveal Advanced Modems Likely Selected for Power Improvements - MacRumors
Resolved: iPhone 6S have no service no EMEI – share phone repair guide and provide phone repair tools (China phonefix team — diyfixtool.com / ecufixtool.com)
Iphone Repair Archives - soft-solutions repairs
iPhone 6s Plus No service,searching, no IMEI and no baseband solution. - YouTube
Usidda Mobile - iPhone 6 no service no modem, firmware ,no... | Facebook
iPhone 6s No Display/No Modem Firmware (fixed) | By IGSMrepairtechnology | Facebook
SOLVED: Constant searching, no signal. - iPhone 6 Plus - iFixit
The Complete Guide of How to Solve iPhone No Service _ Logic Board Repair | by 1 Ever Technology | Medium
Hardware Fix iPhone 7 Plus no service failure (Details) – share phone repair guide and provide phone repair tools (China phonefix team — diyfixtool.com / ecufixtool.com)