Does 4G Car Security Camera Support Personal SIM Cards?

Currently, 4G Car Security Camera is designed to work with the built-in SIM card only. The device ships with a pre-installed SIM that connects automatically to Verizon, AT&T, or T-Mobile — whichever signal is strongest in your area.

We understand that SIM flexibility matters to a lot of drivers. If support for personal SIM cards becomes available in the future, we'll make sure it's clearly communicated.

How the Built-in SIM Works

Lamtto DC22 4G Car Security Camera comes with a SIM card already inside the device. No need to find a store, sign a contract, or shop for a carrier plan. Everything is handled directly through the UBOXPro app.

Setup Steps

1. Download the UBOXPro app and create an account
2. Follow the in-app instructions to activate the built-in SIM
3. Choose a data plan — the first 7 days are free so you can test remote features before committing
4. Select and pay for a plan — first-time top-up includes a discount on every tier
5. Within minutes, live view, GPS tracking, and security alerts go live

Network Coverage

The built-in SIM supports Verizon, AT&T, and T-Mobile and automatically connects to the strongest available 4G LTE network in your area. This is especially useful if you travel across states or park in areas where a single carrier may have weak coverage.

Unlimited Data Plans

All plans are unlimited data. The first 7 days are completely free — no payment required. After that, you choose the plan that fits your needs:

Plan	Standard Price	First Recharge	Daily Cost
First 7 Days (Free Trial)	$0	$0	Free
Unlimited 30 Day	$19.90	$17.90	$0.66/day
Unlimited 90 Day	$54.90	$51.90	$0.61/day
Unlimited 180 Day	$99.90	$94.90	$0.56/day
Unlimited 360 Day	$169.90	$159.00	$0.47/day
Unlimited 720 Day	$299.00	—	$0.41/day

All plans are unlimited data. At the 360-day level, remote car protection works out to less than $0.50/day. Even the monthly plan, which is the most flexible option, comes in around $0.66/day — roughly the cost of a coffee per week.

What About Using My Own Carrier SIM?

As of now, DC22 4G Car Security Camera is configured to work specifically with the built-in SIM. This design choice helps ensure a consistent, reliable experience — the SIM auto-connects to Verizon, AT&T, or T-Mobile and is activated within minutes, without APN setup or carrier compatibility research.

That said, we know many drivers already have shared data plans and would prefer to use their existing carrier. If and when support for personal SIM cards becomes available, we'll update this page and notify users through the UBOXPro app.

How Much Data Does DC22 Actually Use?

Since all plans are unlimited, you don't need to worry about running out of data. That said, here's what typical usage looks like:

• Casual live view checks (a few minutes a day): lightweight — similar to streaming short video clips on your phone
• Frequent alerts and GPS tracking (multiple pushes per hour): minimal data — alerts and GPS pings are tiny
• Extended live view or cloud uploads: uses more data, but still well within unlimited plan capacity

The unlimited data design means you can use DC22 without worrying about overages or throttling surprises.

No Data Plan? DC22 Still Works as a Full Dash Cam

This is worth emphasizing, because a lot of people assume the opposite: you do not need to activate a data plan to use DC22.

If you'd rather skip the subscription entirely and use DC22 4G Car Security Camera purely as a driving recorder, that's completely fine. Plug it in via the OBD-II port, insert the included 32GB SD card, and the camera starts recording automatically — no app login, no SIM activation, no recurring payments.

What Works Without a Data Plan

✅ Continuous loop recording — front and interior cameras record automatically while driving

✅ Collision detection — built-in G-sensor locks footage on impact so it doesn't get overwritten

✅ Manual one-click lock — press the button to save the current clip

✅ 32GB SD card included — no extra purchase needed to start recording

What a Data Plan Adds

Remote live view, app alerts, GPS tracking, two-way talk, and cloud backup all require active 4G data. These are the features that make DC22 a security camera for your car rather than just a dash cam — but they're optional, not required.

Think of it this way: without a data plan, DC22 is a capable dual-channel dash cam that records everything while you drive. With a data plan, it becomes a 24/7 car security system you can check from anywhere.

You can start without a plan and add one later. The built-in SIM sits ready. If you ever want to try remote features, open the app and activate the free 7-day trial — no commitment, nothing to lose.

Common Question: Why Can't I See Live View After Activation?

If the app doesn't show a live feed after you've activated a data plan, it's almost always one of these three issues:

1. The plan hasn't been activated yet. Make sure you completed the top-up in the UBOXPro app. The payment confirmation screen should show your active plan status.
2. The SIM isn't seated properly. Rare, but it can happen — especially after shipping. Eject and reinsert the SIM tray to confirm it's making full contact.
3. Signal is weak or nonexistent. Underground parking garages, remote areas, or dense concrete structures can block cellular signal. Move the car to an open area and test again.

If all three check out and you're still not connected, reach out to support — there may be a provisioning delay for new activations, though this is uncommon.

In Short

Lamtto 4G Car Security Camera makes getting connected straightforward. First 7 days free. After that, plans start at $19.90 a month — all unlimited data. The built-in SIM connects to the best available network automatically, and activation takes minutes through the app.

If you want remote car security with minimal setup friction, the built-in SIM path is designed for exactly that.

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