FAQ

Does KaiOS support WhatsApp?
Phones running KaiOS version 2.5.1 support WhatsApp. See the full list below: Alcatel Go Flip 3 Cat® B35 Energy E241S Energy E241 JioPhone JioPhone 2...
Wed, 16 Oct, 2019 at 5:22 PM
Can I access your source code?
KaiOS is based on the Firefox OS open-source project.  We have made the source code available at https://github.com/kaiostech.  KaiOS is not a devic...
Wed, 9 Oct, 2019 at 8:23 PM
What is KaiOS?
KaiOS is a US-based company with offices in France, Germany, Taiwan, India, Brazil, Hong Kong, and mainland China.  KaiOS originated in the Firefox OS o...
Wed, 9 Oct, 2019 at 8:25 PM
Does KaiOS support Android apps?
KaiOS does not support Android apps. To work on KaiOS, apps need to be coded in HTML5.
Wed, 9 Oct, 2019 at 8:26 PM
Which devices are powered by KaiOS?
The following devices are powered by KaiOS: Alcatel Go Flip 2 Alcatel Go Flip 3 Cat B35 (Bullitt) Doro 7050 and 7060 Energy E241S and E241 (Energizer...
Wed, 9 Oct, 2019 at 8:32 PM
Which apps are available in KaiOS?
KaiOS provides a wide range of apps that can be found in its own app store – the KaiStore. Below is a sample list of apps you can find in the KaiStore. For ...
Wed, 9 Oct, 2019 at 8:41 PM
KaiOS customer support business hours
Our customer support team is available Monday to Friday from 7 am to 11 pm EEST/GMT+3. You can reach us through our contact form, on Twitter (at @KaiHe...
Wed, 9 Oct, 2019 at 8:45 PM
Which general features can I find on KaiOS?
The available functionalities can vary per device depending on the device manufacturer (OEM). Generally speaking, KaiOS supports all standard features like ...
Thu, 14 Jun, 2018 at 8:12 AM
How to sync my Google calendar and the Calendar app on my device?
Please access the Calendar app, then go to:  Options > Settings > Add Account and choose Google Next, enter your email address and the passwor...
Tue, 31 Jul, 2018 at 9:32 AM
Where are KaiOS powered devices available?
You can find KaiOS powered devices in several Regions: North America Asia Europe  Africa For more specific information if your country is included or...
Tue, 5 Nov, 2019 at 10:12 AM