Bulk SMS (Android App - Kotlin)

A simple APK project to send bulk SMS from your phone (no ADB/computer required).

Features

• Paste numbers (one per line) or import CSV (name,number).
• Message supports {{name}} merge tag.
• Optional dual-SIM selection (uses SubscriptionManager if available).
• Progress log, delay between sends.

Permissions

• SEND_SMS (required to send messages)
• READ_PHONE_STATE (to list SIMs for dual-SIM selection; optional if single SIM)

Build steps (Android Studio)

1. Open Android Studio → Open → select this folder (BulkSmsKotlin).
2. Wait for Gradle sync to finish.
3. Connect your phone with USB debugging OR use “Build > Build Bundle(s) / APK(s) > Build APK(s)” to create a release you can sideload.
4. Run on device; on first launch, tap Grant SMS permission.

CSV format

name,number
Jason,0400000001
Sonia,0400000002

Or paste numbers into the text area (one per line) and press Use Numbers Below.

Notes

• Google Play has strict SMS policies. For personal use, sideload the APK.
• Some OEMs throttle/batch SMS; set a delay (e.g., 800–1500 ms) to be safe.