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BlockAlphanumericSenders

sahinkaa

Block Alphanumeric Senders is a jailbreak tweak for iOS 15/16 that lets you block SMS messages from alphabetic or alphanumeric sender IDs, a feature missing from stock iOS.

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License

MIT

Last updated

2026-07-30

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

It fills a specific gap in iOS blocking capabilities by interfacing with Apple's private CommunicationsFilter service, and it preserves existing blocked phone numbers and list data.

Who it is for

  • Jailbroken iPhone users on iOS 15/16
  • Users who receive spam from alphanumeric senders
  • Developers interested in private framework interactions

Use cases

  • Blocking promotional SMS from sender names like 'SHOPNOW'
  • Preventing delivery notifications from alphanumeric IDs like 'DELIVERY123'
  • Managing unwanted alerts from short codes or service names

Strengths

  • Changes take effect immediately without requiring a full reboot
  • Uses atomic plist writes to avoid data corruption
  • Preserves all existing blocked phone numbers and unrelated block-list data
  • Open source under MIT license, allowing modification and redistribution

Considerations

  • Requires a jailbroken device and is limited to iOS 15 and 16
  • Sender matching is exact and case-sensitive, which may be inconvenient
  • May require conversion or patching for jailbreak environments other than Dopamine 2 rootless

README quick start

Installation

Description

Block alphabetic and alphanumeric SMS sender IDs from a native Settings pane on jailbroken iOS 16 devices.

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