Undetectable.io With Dedicated Mobile Proxies

Undetectable.io gives every browser profile its own fingerprint and its own proxy, on Windows or macOS. ProxyMobile gives every customer their own mobile line: a real AT&T, T-Mobile or Verizon SIM card in hardware we run, with the address it holds reserved for you. Combine them and you get the tightest pairing an antidetect setup can have, where each profile sits on a dedicated US carrier IP that no other customer touches. This guide shows how to connect a dedicated line to an Undetectable.io profile, how to rotate it without disturbing your sessions, and how to grow from one line to many.

A dedicated line behind each profile

On a shared mobile proxy, the address your profile uses may also be carrying a stranger's traffic. With ProxyMobile the line is yours, so the history behind the IP is the history you create. That matters most for profiles that hold valuable logins, because the reputation of the address stays under your control.

Undetectable.io is built for that kind of one-to-one mapping. Each profile stores its own proxy alongside its fingerprint, so once a dedicated line is attached the profile always launches through it, and no other profile borrows the route unless you deliberately set it up that way.

Local or cloud profiles

Undetectable.io stores profiles in two ways. Local profiles live on your own device, which keeps everything on one computer you control. Cloud profiles can be opened from other devices, which helps if you work from a laptop and a desktop or need a colleague to step in.

The free plan starts you with up to 5 cloud profiles, a sensible size for testing a couple of dedicated lines. Paid plans raise the profile count, add proxy import for bringing in many lines at once, and on bigger plans let you share profiles with team members.

What to copy from the ProxyMobile dashboard

Open your line in the ProxyMobile dashboard. You will see the host, an HTTP port, a SOCKS5 port, the username and password, and the rotation link. If you only ever connect from one fixed address you can use IP whitelist instead of a login, but a username and password suits Undetectable.io better because the profile carries the credentials wherever it opens.

Undetectable.io supports HTTP and SOCKS5 with a login and password. Either suits a dedicated line: HTTP is the most familiar, while SOCKS5 suits profiles that run tools beyond ordinary web pages.

Step-by-step setup in Undetectable.io

Set up one profile, test it, then repeat for each dedicated line.

1. In Undetectable.io, create a profile and give it a name that includes the line it will use.
2. Open the profile's proxy settings and pick HTTP or SOCKS5.
3. Enter the ProxyMobile host and the port that belongs to that protocol, then the username and password.
4. Use the proxy check to confirm a US exit IP from AT&T, T-Mobile or Verizon.
5. Keep timezone, language and geolocation set to follow the proxy IP.
6. Point WebRTC at the proxy's IP so your home connection stays hidden.
7. Save and open the profile, then visit a location check page before logging in anywhere.

Rotating a dedicated line the right way

Dedicated lines support sticky sessions, which is how a logged-in profile should run: one carrier address from the moment the profile opens until it closes.

A rotation link and API come with every line. Rotate with the profile closed, then reopen it so the browser starts cleanly on the new IP. Because the line is dedicated, nobody else can rotate it while you work, so the only IP changes that ever happen are the ones you start. If your profile has a change IP URL field, the rotation link goes there.

Growing from one line to many

As your profile count rises, the dedicated model keeps the bookkeeping simple: one line, one profile, one record.

• Add lines in the city that matches each profile's stated location.
• On paid Undetectable.io plans, use proxy import to bring in a batch of lines instead of typing each one.
• Put related accounts on one line only when you want them to look related.
• Share profiles with team members on bigger plans rather than passing credentials around.
• Keep the rotation link with the person responsible for that profile.

Troubleshooting dedicated lines in Undetectable.io

These checks solve nearly every setup issue.

• The proxy check fails: confirm the port matches the protocol and that no space slipped into the password.
• The profile connects from your own address: the proxy was not saved to that profile. Open the settings, attach the line again and recheck.
• A test page shows a different time zone: an override is set on the profile. Let it follow the proxy IP.
• An account asked for verification after a new IP: the line rotated while the profile was open. Rotate only after closing.
• Speed varies through the day: 4G lines generally reach 20–45 Mbps and 5G 50+ Mbps, and a rotation between sessions can move a slow line to a quieter cell.

Get started with Undetectable.io

The free plan is enough to attach your first dedicated line and see how it behaves before adding more. If you need Linux or a phone app, GoLogin is the alternative we recommend, and it takes ProxyMobile lines in the same way.

• Get Undetectable.io (partner link)

Frequently asked