Short, query-shaped answers about mobile proxies, SMS verification and eSIMs: setup steps, troubleshooting, definitions and differences.
Showing 11 of 19 articles
CGNAT is carrier-grade NAT: many subscribers share one public IPv4 address. How to detect it, what it breaks, and why mobile IPs sit behind it.
Why Google, WhatsApp and others reject your number for verification, what the wording tells you, and which fix applies to each cause.
Telegram still needs a number to register. Your options: hide your number, use a non-VoIP number you control, or an anonymous no-SIM number.
A backconnect proxy is one gateway endpoint that rotates IPs behind it. How it works, how it differs from proxy lists, and when a gateway is the wrong tool.
Which iPads support eSIM, how to install and activate a data plan, and the data-only limits that catch people out on arrival.
How to add an eSIM on iPhone: compatibility check, the four activation methods, the three settings travelers get wrong, and what to do when data fails.
How to run Puppeteer through a proxy: launch flags, authentication, per-context IPs, rotation with session IDs, and the failures that break it.
How to route Selenium through a proxy in Chrome and Firefox, handle username auth, avoid DNS leaks, and verify the exit IP before you run volume.
A secure SIM usually means one of three things: a hardened carrier plan, a SIM with no identity attached, or lock-down settings on the line you already have.
eSIM does not stop SIM swap fraud: the attack targets your carrier account, not the chip. What changes with eSIM, and how to actually protect your number.
