4.5.59 - Contacts

Unlike modern apps that limit you to "Phone," "Email," "Address," version 4.5.59 allows up to 50 custom fields with regex validation. You can label fields like "Amateur Radio Call Sign," "Emergency Blood Type," or "DNR Status."

Build Checksums (APK – Android):
SHA-256: a3f5c8e9d1b2c4f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0

App Size:

Running an older version like 4.5.59 in a connected environment carries risks. No further security patches are issued for this version. Here is your risk mitigation checklist:

If you landed on this article because you need the functionality but not the legacy baggage, consider these modern alternatives that emulate the same workflow: contacts 4.5.59

| Feature | Contacts 4.5.59 | Modern Alternative | | :--- | :--- | :--- | | Local storage | SQLite (unencrypted) | Etebase (end-to-end encrypted) | | Sync protocol | CardDAV v1 | CardDAV v3 + WebSockets | | Contact grouping | Static folders | Dynamic smart lists (Nextcloud) | | Export formats | vCard 3.0, CSV | vCard 4.0, JSON, ICS |

For a drop-in replacement that can import contacts 4.5.59 dumps seamlessly, try Evolve Address Book (open-source) or Cloze (commercial, with AI deduplication). Unlike modern apps that limit you to "Phone,"

Despite being over a decade old, search data shows consistent queries for this specific version. Here’s why:

In the fast-paced world of digital communication, managing your contact list might seem like a mundane task. However, for professionals, developers, and power users who rely on legacy systems or specific versioning protocols, a seemingly cryptic string of characters like "contacts 4.5.59" can hold significant meaning. Whether you are troubleshooting a synchronization error, rolling back a database update, or verifying software dependencies, understanding the nuances of version 4.5.59 is critical. Running an older version like 4

This article dives deep into what contacts 4.5.59 represents, why version specificity matters, how to manage this iteration effectively, and the best practices for maintaining data integrity across your contact management systems.