Frequently Asked Questions

Extended user guide

Find out what else you can do with Rebel Cactus in the extended user guide.

GPS Tracker & Ouder App Find My Kids

Kijk voor specifieke vragen over de GPS Tracker & Ouder App Find My Kids in de FAQ’s . De app biedt 24/7 support, dus geen worries.

SOS/ Emergency Mode

How can I set my Rebel Cactus up for SOS (Emergency Mode) ?

Please note: Reaching a voicemail box ends the SOS chain as Rebel Cactus thinks a connection has been made.

Charging your Rebel Cactus

How do I charge the battery?

With the magnetic power cable it’s easy to charge the Rebel Cactus smartwatch.
Connect the magnetic end of the cable to the back of the Rebel Cactus and connect the other end of the cable with the large USB-connector in a laptop, computer or your own adapter. The battery is fully charged when the indicator on the display stops blinking. Moments when you’re not using your Rebel Cactus, like at night, are great times to recharge your Rebel Cactus.

How do I charge the battery for the first time?

To extend the lifetime of the battery, we advise you to fully charge the battery the first time you charge it.

How long can I use the battery?

With a fully charged battery is, you can expect to use your Rebel Cactus for about 2 days.

My Rebel Cactus does not charge.

Check if you have connected the charging cable properly. Try connecting the smartwatch to your PC or laptop, via the USB-cable. This is another way you can charge the battery. Look at the indicator. Is it charging now? If so, your wall adapter is probably defective.

SIM cards

Is Rebel Cactus simlock free?

Yes, Rebel Cactus is simlock free. This means you can use SIM cards from any available providers.

What kind of SIM card do I need?

You’ll need to use a micro SIM card (not a nano) in your Rebel Cactus.

Can I only use a prepaid simcard?

No, Rebel Cactus works with prepaid SIM cards as well as with phone plan subscriptions.

I have placed the SIM card in my smartwatch. Now what?

In order to call with a SIM card, it must be activated first.

I can not call with my Rebel Cactus, but I do receive incoming calls. What can I do?

Your SIM card is most likely blocked by your provider. Please contact your SIM card provider to resolve this.


Please remember waterdamage falls outside the warantyrules, but if you follow the instructions immediately maybe the smartwatch can be saved.

Turn the Rebel Cactus off inmediately! And don’t turn it on!

The more water is in Rebel Cactus, the higher the chance is at more defects. Dry the watch with a towel. Do this a quickly as possible. Never turn the Rebel Cactus on to try if it works. Leave it off. If the battery is wet, you can’t use it anymore. For €9,95 you can buy a new battery.


Get a cealed sandwichbag and fill it up with dry rice. Make sure the smartwatch is off. Take off the battery, simcard and the external memorycard. Put the Rebel Cactus in the bag, close it and twist the bag untill Rebel Cactus is fully covered with rice. Put the bag in a dry place for (minimal 60 h) a few days to dry. After try to turn it on. Put the simcard, memorycard and a new battery in Rebel Cactus.

Better safe then sorry

Wear your Rebel Cactus under your coat sleeve when it rains, then the smartwatch fits best. Rebel Cactus ‘will then be protected during a heavy rainstorm. Rebel Cactus is shockproof. Tip for our fans: skaters or stuntsteppers (cool!) wear a sweatband around Rebel Cactus to prevent it against damage. You can still hear Rebel Cactus smartwatch ringing!

Changing watch straps

The Rebel Cactus smartwatch straps are super easy to change out! Just push down on the top of the watchbody mechanism until it pops out of the plastic strap. Then insert the watch into a new watch strap by pushing the watchbody up into a new strap until it’s secure.


How much memory does Rebel Cactus have?

Rebel Cactus has an a internal memory of 2 GB where you can store lots of files, like music and pictures.

How do I store files on the memory card?

When you connect Rebel Cactus with your PC or laptop, it will ask you to confirm “mass storage”. Click Yes. Now your PC or laptop recognizes the smartwatch.

Listening to Music

How do I upload music?

Reset your settings

How can I reset the settings of my Rebel Cactus back to the factory settings?

In the Menu go to ‘Settings’ and then ‘Reboot’. This resets the smartwatch.

Pre-set lock times

How do I set up certain times for my smartwatch to lock, for example during school hours?

Clever. No noise in the classroom. Set a lock schedule for your smartwatch during school hours. That way it’ll automatically turn off and on. How does this work? In the Rebel Cactus Tracker, go to “Disabled in Class” and set up different lock times per day.

Telling time

Is the Rebel Cactus clock analog or digital?

Children can choose how they want to tell time! Either with clock hands (analog) or with numbers, for example 12.00 (digital). Go to screen 2 ‘Çlock’, choose ’5 Clock screen’, ’2 Select’, ’1 System’ and for example ‘image 4’ and you will find the analog clock.

Alarm and calendar functions

Alarm function

One of the awesome practical features of the Rebel Cactus is it’s alarm, which helps your child get up on time in the morning and keeps them from running late for a party or soccer practise.

Calendar and task function

The Rebel Cactus calendar makes it easy to set reminders for various tasks. This is a useful function for i.e reminding your child to take medication, leave for an appointment, head out for music lessons, leave on time for sport training and to help them be on time for dinner! And off course let’s not forget reminders for mum and dad’s birthdays!

To set up tasks, reminders or notifications follow these steps:

Go to Organiser display 3 and to option 2. Tasks. Then click Add.

For each task fill in:
1. Subject: for example School starts at…or Take Bus 199 to…
2. Turn Priority on High (choose between high, normal or low)
3. Time/date of reminder: enter date and for example 15:10
4. Alarm: (choose: off, on, for 5, 10, 15 and 30 minutes)
5. Repeat: Every day (choose between; Once, Every day, determined by user, weekly, monthly and yearly)
6. Details: Enter your personalized text here (max 100 characters)
7. Status: Done (choose between: Done or Undo)


Does Rebel Cactus have GPS?

Yes, Rebel Cactus smartwatch has GPS. Using the Rebel Cactus Tracker, you can always track your child and and see their location.


Rebel Cactus Play has WIFI. Just go to settings and switch on WiFi and the smartwatch will scan for available networks. Select the desired WiFi network, enter the password and click on connect. You’re connected!


Yes! Rebel Cactus Play has Bluetooth. To set it up, go to settings and then to Bluetooth. Slide Bluetooth to ON. Now the smartwatch will scan for available devices. Select the device you want to pair with, click on pair, and click on agree when the pincode is displayed. You’re now connected to Bluetooth. You can connect to various devices, such as earbuds, headphones and speakers to listen to your favorite music even better or share it with your friends. Take note! Bluetooth uses a lot of power, so turn it off when you’re not using it.

Ordering and delivery

I’d like to order. How long will it take for my order to arrive?

Ordering on a business day before 15.00? We’ll send your Rebel Cactus smartwatch that same day immediately after receiving your payment. PostNL will deliver your package the next day. Occasionally PostNL experiences delays and then your package might take an extra day.
For deliveries outside NL, but within the EU, we expect to add a day to the delivery time.
For shipments to Belgium we advise you to order before 12.00 on business days. Your Rebel Cactus order should then be delivered the following day.

Can I pick up my product?

Rebel Cactus is an online webshop and doesn’t have any pick up points at the moment. All shipments are sent from our fulfillment center, which is not located at the Hallofo B.V. address.

Have a question that hasn’t been answered? You can ask your question here! We’ll respond to you as quickly as possible.


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