Latest MTN Steppa user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 4.4.4; MTN-8978P Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Mobile Safari/537.36	Chrome Mobile 65	Android 4
Mozilla/5.0 (Linux; Android 4.4.4; MTN-8978P Build/KTU84P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.135 Safari/537.36	Chrome 36	Android 4