Getting Your Lisen Phone Holder Actually Working

I picked up one of these magnetic car phone mounts from Amazon last year and spent about twenty minutes figuring out the right way to use it. The instructions that come in the box are basically useless — two-page printout with blurry photos and generic diagrams that don't account for most phone cases or dashboard textures. Here is what I learned the hard way. The basic setup is straightforward. You peel the adhesive backing off the metal plate, stick it to your phone or case, then snap the phone onto the mount. But the details matter a lot more than the box makes it seem. The adhesive is 3M VHB tape, which is strong but requires proper surface preparation to hold for more than a few weeks. I found this out after my first install fell off the dashboard after three weeks in summer heat. The adhesive needs the surface to be cleaned with isopropyl alcohol first. Wiping the dash with a damp cloth is not enough — the plastic off-gasses and leaves a residue that the tape cannot bond to properly. Rub the surface thoroughly with rubbing alcohol, let it dry completely, then apply the plate. I waited thirty minutes after cleaning before sticking the plate down, and it has held for six months since then.

The second detail people miss is the orientation of the metal plate. It matters which side faces the phone case. The plate has a slightly raised rim on one side and a flat back with the adhesive on the other. The raised rim should face outward toward the magnetic mount. Put it in backwards and the magnet slides off sideways when you go around a turn. I only realized this because my phone rotated six degrees while I was driving over a speed bump. If your phone case is thick or bulky, you have two options. You can stick the plate directly to the phone underneath the case, or you can attach it to the back of the case itself. The problem with the first approach is that not everyone removes their phone from the case regularly. The second approach works better if your case is made of hard plastic. Silicone or soft rubber cases will not hold the adhesive well, and the plate will eventually slide down under the weight of the phone. I used a hard polycarbonate case and the plate stuck fine to the case surface.

Mount Placement Considerations

The suction cup base sticks to smooth surfaces. Flat dashboards work best. Textured or grain-finished dashboards, which most modern cars have, create tiny air gaps that weaken the suction over time. I encountered this on my Honda Civic where the dashboard has a soft-touch textured coating. The mount held for about two weeks before it started slowly tilting downward during drives. I solved it by using a small circle of smooth vinyl tape under the suction cup base, which gave it something flat to grip. The rotating ball joint on these units is decent but not exceptional. It holds position fine for normal driving, but if you frequently adjust the viewing angle while the car is moving, the joint can loosen after a few months of use. There is a small set screw underneath the ball housing that you can tighten with the included hex key. I tightened mine after four months and it has been solid since then.

Get the Full Details

Lisen Cup Holder Phone Mount | Unboxing Video And Review | Lisen Phone Mount From Amazon - YouTube
Lisen Cup Holder Phone Mount | Unboxing Video And Review | Lisen Phone Mount From Amazon - YouTube

Compatibility Notes

These mounts use standard N52 magnets in the holder head. They are strong enough for any mainstream smartphone, including the largest models like the iPhone 16 Pro Max or Samsung Galaxy S24 Ultra. Even with a heavy OtterBox or LifeProof case, the magnetic grip holds securely. I tested this accidentally when a pothole near my house launched my phone sideways in the holder. It tilted but did not detach. One thing the instructions do not mention: if you have a MagSafe case or an iPhone 12 or newer without a case, you do not need the metal plate at all. The built-in magnets in those phones align directly with the mount. Just be aware that the magnetic field is weaker without the plate for non-MagSafe phones, so the plate is necessary for anything older than an iPhone 12 or most Android devices.

Known Issues and Workarounds

The suction cup mechanism on these units is a simple ball-and-socket design with a lever to lock it down. The lever can feel stiff when new, and some people overtighten it, which cracks the plastic housing over time. A gentle pull to engage is sufficient. The mount is designed to stay in place with moderate tension, not maximum clamping force. Another issue I ran into is cable interference. If you route a charging cable through the bottom of the mount, the magnet can sometimes interfere with wireless charging alignment if your phone supports that feature. The magnetic field from the plate disrupts the coil positioning. I switched to a wired connection and the problem went away, but it is worth noting if you plan to charge wirelessly while mounted. The metal plates themselves are about the size of a quarter. They are thin and somewhat rigid. If you bend them during installation, the magnet loses contact with the holder and the phone becomes unstable. Do not bend them. Store them flat in a drawer if you are not installing them immediately.

There is no way to adjust the magnet strength, and the unit does not include a damper or shock absorber mechanism. Rough roads will cause the phone to bounce slightly in the holder. It is noticeable but rarely causes the phone to detach. I just accept the minor vibration as part of using a magnetic mount. If you want zero movement, you need a mechanical clamp-style holder instead, which these are not designed to replace.

LISEN Upgraded Cup Holder Phone Holder (Model 2E779) Instruction Manual
LISEN Upgraded Cup Holder Phone Holder (Model 2E779) Instruction Manual