This is a PRO version with more features and without Ads!
Using SIM Tool App Manager you can look your SIM Card information
Manage your SIM contact number
Add new contact delete contact export into sd card and import again into Sim card delete sim card number using multy select option or delete one by one.
Import phone number from Sdcard to your Sim card.
Export phone number from sim card to PhoneBook.
Import phone number from PhoneBook to sim card.

APP MANAGER:
Manage your apps make backup apps uninstall apps see apps detail.

SIM CARD INFORMATION:
Sim card status.
Sim operator.
Sim country location.
Sim operator code.
Network type.
Sim serial number.
Subcriber ID/IMSI.
Voice mail number.
Active Roaming. YES or NO.
SMS capable support YES or NO.
Voice capable support YES or NO.
Available APNs settings button.
In the SIM Info now posible to save and share sim details!

PHONE INFORMATION:
Phone number. (now posible to add manualy phone number if your phone number is not visible!)
Phone type. (type of your phone)
Model. (model of your phone)
IMEI number.
root info.
Serial number. (serial number of your phone)
In the Phone Info now posible to save and share phone details to some people.