How to simply turn an old smart phone into a gps (no service needed)

So I have a bunch of old smart phones ( androids mostly) and I was seeing guys use them as gps and speedos. Though it was pretty cool so I did some research and found out it was dam easy. Old stuff but here’s a link: https://www.instructables.com/id/Ultimate-Bike-Computer-From-an-Old-Smartphone/

It’s kinda lacks at acceleration but once up to speed your good. Looks cool too

If anyone knows how to set a temp guage or rpm gauge on the phone, please share!

Will sell smartphones if interested* lol

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Re: How to simply turn an old smart phone into a gps (no service needed)

Do this with a small tablet and have a huge display.

Re: How to simply turn an old smart phone into a gps (no service needed)

This is cool, thanks for sharing. I mount my Iphone sometimes but always paranoid my phone that costs as much as my bike will go flying off at some point so I hardly use it.

Re: How to simply turn an old smart phone into a gps (no service needed)

Angry Hipster /

Finally a use for all of those old phone I have saved in the closet! I would suggest performing a factory reset to delete all personal data in the event the phone falls off the bike and/or is stolen.

Re: How to simply turn an old smart phone into a gps (no service needed)

Captain Janeway /

didn't know gps and maps would work without service. I have one old phone that doesn't seem to work well. Maybe I'll try it for fun.

Re: How to simply turn an old smart phone into a gps (no service needed)

GPS always works without service for Speedometer. To see your location.on maps you have to connect to Wi-Fi to download maps for your area.

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