现在经常出现无SIM卡，是不是卡槽坏了？还是其他问题？？
IPHONE 6 PLUS,MM-TD,SILVER 64GB
Serial Number: F2LNQ6KLG5QW
Initial Activation Policy ID: 2186
MEID:
Activation Policy Description: Japan NTT DOCOMO Policy
IMEI: 354383066665805
Applied Activation Policy ID: 2298
Part Description: iPhone 6 Plus
Applied Activation Policy Description: China Open Distribution iPhone 6/6S/7 Unlocked Policy
Product Version: 11.2.5
Next Tether Policy ID: 2298
Last Restore Date:
Next Tether Activation Policy Description: China Open Distribution iPhone 6/6S/7 Unlocked Policy
Bluetooth MAC Address:
First Unbrick Date: 05/25/15
Last Unbrick Date:
Unbricked:
Unlocked: true
Unlock Date: 02/16/18
Product Sold By:NTT DOCOMO,INC.
Coverage Status:Out Of Warranty (No Coverage)
Estimated Purchase Date:05/25/15
Purchased In:Japan
fmi-off

unlock了已经