FAQ

Does KaiOS support WhatsApp?
All phones running KaiOS version 2.5.1 or above support WhatsApp. See the full list below: Alcatel Go Flip 3 Alcatel MyFlip Alcatel 3078 Cat® B35 Doro...
Mon, 30 Mar, 2020 at 3:00 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?
Meet the devices that are powered by KaiOS: Orange Sanza 2 Orange Sanza XL Afriphone Alcatel 3078 Alcatel 3088 Alcatel Go Flip 2 Alcatel Go ...
Wed, 1 Apr, 2020 at 10:15 AM
Which apps are available in KaiOS?
You can use a wide variety of apps on KaiOS-powered phones, ranging from instant messaging and entertainment, to utilities and self-improving content. You c...
Thu, 7 May, 2020 at 1:15 PM
How can I add a language as an input language?
Adding input languages to your phone can be done by accessing Menu -> “Settings” ->“Personalization” -> “Input methods” -> choose the Input meth...
Wed, 20 May, 2020 at 1:42 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