If it works, then there's something wrong with your phone's SIM card slot or cellular antenna. Visit an authorized service center to get your phone examined for potential hardware damage. However, if other devices also fail to recognize the SIM card, you should contact your cellular carrier (see method #7). 5. Install Carrier Settings Updates In the event, another SIM card is functioning on your Asus ZenFone 5 (ZE620KL) then the issue is being in your current SIM card. Otherwise, the mobile phone may be compatible with your SIM card. Otherwise, the mobile phone may be compatible with your SIM card. A SIM card is needed not only for mobile communication. She stores phone numbers, allows you to access the Internet (when connecting special tariffs), and in some cases also serves as a way to authorize the phone (PIN code for SIM cards). But sometimes ASUS Zenfone 9 SIM card not detected for some reason: Incorrectly inserted SIM card. Here is How To Fix Asus ZenFone 5 SIM card not detected error? How To Fix Asus ZenFone 5 SIM card not recognized? Skip to content. infofuge Home; Cryptocurrency; Q&A; Affiliate Disclosure; infofuge Main Menu. 10 Best Fitness Smart Watch For 2021 [Top Rated Reviews] A SIM card is needed not only for mobile communication. She stores phone numbers, allows you to access the Internet (when connecting special tariffs), and in some cases also serves as a way to authorize the phone (PIN code for SIM cards). But sometimes ASUS ZenFone 3 Max ‏ZC520TL SIM card not detected for some reason: Incorrectly inserted SIM The board replacement did nothing to it. Since the speaker, vibrator, sim, charging are all on that lower board I expect the problem to be either from the lower USB board, or the single large ribbon cable connecting the upper and lower boards and having all the card slots on it. The lower board is very easy to replace and it's cheap, 5$ or less Even from 2 different networks but once I add the second sim nothing works, no data, no cell, no text. sometimes it will show the sims are not detected, sometime is shows detected but no servicecannot get both working at the same time. I have reflashed with the most current OS after contacting Azus to find out with image. Still the same issue. • Both micro SIM card slots support 3G WCDMA network band. But only one micro SIM card can connect to 3G WCDMA service at a time. • Use only a micro SIM card on your ZenFone 6. A trimmed SIM card may not properly fit into and may not be detected by your ZenFone 6. NOTE: All specifications are subject to change without notice and may vary by Here is How To Fix Asus ZenFone 3 Max (ZC520TL) SIM card not detected error? How To Fix Asus ZenFone 3 Max (ZC520TL) SIM card not recognized? Skip to content. infofuge Home; Cryptocurrency; Q&A; Affiliate Disclosure; infofuge Main Menu. 10 Best Fitness Smart Watch For 2021 [Top Rated Reviews] If you have another SIM card, install it to your device and check if the device can detect and read the SIM card; or try to install your SIM card to other phone to check whether the SIM card can be detected. Attention : Please do not use any SIM card adapter. 6. Wpei4XG.