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Practical How to tutorials, how-tos and troubleshooting guides — hands-on walkthroughs written for developers and system administrators.

How to
How to Claim Your WhatsApp Username on iPhone & Android (2026 Step-by-Step Guide)
WhatsApp just opened username reservations. Here's how to claim your WhatsApp username on iPhone and Android step by step, plus the rules, the new Username Key, and what it means for WhatsApp Web and Business accounts.

