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How to mount a smartphone under the car?

tracker smartphone mount

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#1 Guest_thebasix_*

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Posted 08 January 2015 - 12:01 PM

I was thinking to turn my smartphone in to a tracker, but the problem is when it comes mounting it to a car. The first that comes to my mind is using a magnet. But thats not an option because a magnet will very likely damage my phone's hard drive. Is there any other way on how can I mount it under a car or somewhere else?

#2 Guest_poal_*

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Posted 10 January 2015 - 06:04 AM

tape, glue...

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#3 pach


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Posted 11 January 2015 - 21:57 PM

It's not a good idea to mount a phone under a car due to environment is very aggressive (high humidity, various reagents used by road services, extremely low temperatures).
May be it's better to consider mounting a phone somewhere in a car (in a trunk or under a dashboard for example).
You should also take into consideration that for good positioning data you need a firm gps signal which can be blocked by metal parts of a car.
If you still want to mount it under a car you need firstly to isolate it (put at least in some kind of waterproof enclosure).
Then mount it with the help of zip ties (plastic or better metal), some kind of epoxy glue and so on (searching through some DIY projects will definitely help you).
P.S. In case you decide to mount you phone somewhere in a car a double tape or ordinary zip ties will be enough.

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#4 Guest_RPI1969_*

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Posted 21 January 2015 - 09:52 AM


I wrote this method on a French car site.
if this can serve you?

good day


I found a lot more simple and complete site. It has another advantage, it’s free !


Here is the site :



Registering is simple on condition that you choose the little english flag on the right top of the main page. Then you will be able to switch in french. Warning, you need to have a valid mail adress.


I Used an old samsung phone, with a second « data » sim card that my provider gave me. You could also use a 2€ per month free mobile sim card.

Considering that, the final monthly price should be 4 to 6€.


Why a smartphone instead of a real tracker ?

  • I already had one :D
  • The tracker market is a big mess, lots of clones.
  • I needed a good autonomy in case of a long period without juice.
  • Mostly, a very simple configuration. I found trackers that had usb port to configure, but it’s always in russian, and my level with that language is quite light. J

I used a 12V lighter usb adapter :  http://rover.ebay.co...76 … 1497.l2649

After configuring the smartphone with a dedicated google account (don’t use your usual one, in case of stealing…)

I then downloaded this android application :

https://play.google....ta … Tag_Orange

It’s the software that will send your position to  http://gps-trace.com/

Here is the manual :


Then you have to plug all of that to a permenent 12V in your car. For thoses who ask the question, don’t be afraid to have a permanent alimentation for your smartphone in your car. The phone heat and take juice only in case of a real use…. And the only application that will run will be the gps tracker. You should in all cases really hide the phone in your car, with a preference for a place that need work to access.

Concerning the site :  http://gps-trace.com/, after your inscription, you should fill certain informations :

  • A name, please don’t write Mercede 500 AMG, for your own safety…
  • The emei number of your emetter (on a phone, just type *#06#)
  • A internationnal formated phone number, in France : +3361234XXXX
  • Additionnal informations which are less important.

To connect, there is two sites : http://gps-trace.com/ for the first inscription or to share your position.

To access more parameters, POI, Speed limits, etc, you’ll have to connect to this site : http://orange.gps-trace.com/
with the same login/pass that for the other site.

There’s a lot of possibilities, not always intuitives, but you’ll finaly find what you need.

I tested the zone limitations (out/in), with mail alerts, and it works brillantly. I then have to tests the sms sending.

You’ll have to keep in mind that the geolocalization is not magic, but all the current systems, (even the expensive ones) are easy to shorcut… so this simple solution makes me fully satisfied for the moment.

To follow your car when you lend it, you could use this application (install it on a OTHER phone) :

https://play.google....ta … t&hl=fr_FR

witch may also exist on ios

This type of systems, based on GSM reception (smartphones or real trackers) has as a main inconvenient that it could be jammed with another box that cost 50€ (I’ll don’t put a link here). When the jammer is used near your car, your emitter don’t see the gsm network anymore, witch permit to ther thief to bring your vehicule to a discreat place to open it.

To jam the jammers, some other boxes are existing, I ordered one, and I’ll test it immediatly after reception :

http://rover.ebay.co...76 … 2a47bd579d

The subject is vast and I hope that my experience will be usefull for you.

#5 Guest_poal_*

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Posted 23 January 2015 - 07:04 AM


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#6 Guest_RPI1969_*

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Posted 04 February 2015 - 12:32 PM

you're welcome :D

#7 Guest_Seagull_*

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Posted 23 July 2016 - 08:50 AM

I used strong magnet on watertight plastic lunch box.

#8 Guest_Michael eBike_*

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Posted 01 April 2018 - 07:24 AM

"because a magnet will very likely damage my phone's hard drive"........AYKM?!

​Most all Samsung's are IP67, and the S7 ACTIVE is also MIL SPEC 810G.....Mounting it under a car isn't the problem....Its a rock bouncing and hitting the screen that I would be worried about.

ABTW....A magnet will not damage an SD card or a HDD/RAM or whatever.

Also tagged with one or more of these keywords: tracker, smartphone, mount

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