Blog

Looking for a new phone? Discover 5 things you can do with the TREKKER-X4.

Louis and Aurélien now have to deal with repeated repairs to their two remaining spinnakers. As we approach the Doldrums, Louis Duc reviews the sailing conditions.

Discover Mr. GRrr's incredible 72-hour adventure as part of Team CROSSCALL.

Are you an outdoor enthusiast who's drowned more than one phone? Discover 5 good reasons to opt for a truly waterproof smartphone.

Discover how CROSSCALL helped the runners of the Ultra-Trail du Mont-Blanc® complete their 170km adventure...

Are you reluctant to take your cell phone with you on every outing? Discover 6 good reasons to opt for a CROSSCALL smartphone.

It's time to equip your kids for back-to-school! Discover the excuses they won't be able to invent if you opt for a CROSSCALL smartphone.

Discover the rules and tricks for taking great outdoor photos with a smartphone.

Find out how a GPS works and our tips for optimizing its use on your smartphone.

Safety is an essential consideration in outdoor sports, where we are sometimes confronted with difficult or even extreme and hostile conditions. The telephone has become an additional safety tool for quickly alerting emergency services.

Summer has finally arrived, but to avoid any nasty surprises for your next barbecue party, we've selected 3 free weather apps for you to download onto your smartphone.

Unleashed Magazine has chosen to use TREKKER-X4 to film live wakeboard events at FISE 2019. Philippe Sirech, founder and CEO of Unleashed Magazine, takes a look at the partnership and the equipment used at the event.

The Play Store gives you access to over a million applications that you can install. Installing an application is very simple:

The latest addition to the CROSSCALL range, the TREKKER-X3, is equipped with a host of sensors to analyze and understand all types of terrain, whether on outdoor outings or professional missions.

In addition to offering mobiles and smartphones with outstanding battery life, CROSSCALL, the leader in outdoor mobile technology, has found THE solution to extend your smartphone's battery life: Power Saving Mode, a new feature available since the latest update on the TREKKER-X3.

Notifications keep you alert but can be intrusive, so it can sometimes be useful to deactivate them.

If you're on the move and want to connect to the Internet to check your e-mails or access your documents, your smartphone can share its Internet connection with another device, such as a computer. To take advantage of this feature, you need a suitable subscription (data) and 3G/4G Internet access. Activating sharing is very simple.

Where are the videos stored on my CROSSCALL TREKKER-X4 smartphone?