대량 문자 발송 (문자보내) 4.2.1.10 Apk

The best app for mass mailing! Send SMS in a simple and easy to use way. # function 1. Bulk transfer of large numbers of contacts by file 2. Send a group letter by adding a contact from an existing phone book 3. Supports two-number function 4. Pre-register frequently sent messages for easy transfer