In this post, you will get all available firmware and WebUI download link absolutely free. You can refer to the unlocking of the Tata Photon Max 3G WiFi Data Card (Huawei E8231s-1). I had also unlocked Huawei E8231 Life (Belarus).
Note: Firmware may ask you for code; leave a comment below with model and IMEI to get it free. However, unlock code is chargeable.
Download Firmware Update Huawei E8231s-2 22.618.01.01.778 (Russia Open Market)
Download Firmware Update Huawei E8231s-6 22.621.07.00.1074 (Colombia SKYWAV)
Download Firmware Update Huawei E8231s-6 22.621.07.00.00 (Ecuador)
Download Firmware Update Huawei E8231s-2 22.621.13.01.1217 (West Europe)
Download Firmware Update Huawei E8231s-2 22.621.13.00.91 (Malaysia)
Download Firmware Update Huawei E8231s-2 22.621.13.00.839 (Tunisia)
Download Firmware Update Huawei E8231s-2 22.621.13.00.784 (Greece Wind)
Download Firmware Update Huawei E8231s-2 22.621.13.00.1244 (Algeria)
Download Firmware Update Huawei E8231s-2 22.621.13.00.120 (Angola)
Download Firmware Update Huawei E8231s-2 22.621.13.00.00 (Universal)
Download Firmware Update Huawei E8231s-2 22.618.01.00.778 (Russia Open Market)
Download Firmware Update Huawei E8231s-1 22.618.01.03.408 (Airtel or Zain Nigeria)
Download Huawei E8231s-81 Update WEBUI 17.100.11.00.03 (Universal)
Download Firmware Huawei E8231s-81 Update 22.621.05.00.00 (Universal)
Download Firmware Huawei E8231s-81 Update 22.618.99.01.00 (Universal)
Download Firmware Huawei E8231s-6 Update 22.618.99.56.00 (Universal)
Download Firmware Huawei E8231s-6 Update 22.621.31.00.00 (Universal)
Download Firmware Huawei E8231s-6 Update 22.618.99.57.00 (Universal)
Download Firmware Huawei E8231s-1 Update 21.518.99.08.00 (Universal)
Download Huawei E8231s Update WEBUI 17.100.08.00.03 Universal
Download Huawei E8231s Update WEBUI 17.100.05.03.778 (Russia OM)
Download Huawei E8231s Update WEBUI 15.100.10.00.625 (Dominican Republic)
Download Huawei E8231s Update WEBUI 15.100.09.01.113 (India Tata Photon)
Download Huawei E8231s Update WEBUI 15.100.09.01.284 (Airtel India)
Download Huawei E8231s Update WEBUI 15.100.09.00.03 (Universal)
Download Huawei E8231s Update WEBUI 15.100.10.00.784 (Greece Wind)
Download Huawei E8231s Update WEBUI 15.100.10.01.120 (Angola)
Download Huawei E8231s Update WEBUI 15.100.10.00.839 (Tunisia)
Download Huawei E8231s Update WEBUI 15.100.10.01.91 (Malaysia)
Download Huawei E8231s Update WEBUI 15.100.10.00.93 (Mauritius)
Download Huawei E8231s-2 WebUi Update 17.100.05.00.03 (Universal)
Download Huawei E8231s-1 Firmware 22.618.01.02.910 (Universal India)
Download Huawei E8231s-1 WEBUI Update with Profile Creating (India Open Market)
Download Firmware Huawei E8231s-1 Update 22.618.09.00.00 (Universal)
Download Firmware Huawei E8231s-1 Update 22.618.09.01.162 (Morocco)
Download Firmware Huawei E8231s-1Update 22.618.79.03.284 (Airtel India)
Download Huawei E8231s-2 Firmware 22.621.17.00.778 (Russia OpenMarket)
Download Huawei E8231s-2 Firmware 22.621.23.00.00 (General)
Download Huawei E8231s-1 Firmware 22.618.01.02.910 with profile