The computer will install Balong drivers, and the hotspot’s LED should start blinking red/green. A flash writer tool (if using online instructions) will appear, or the hotspot will automatically start writing the firmware. Do not disconnect during this process (approx. 3–5 minutes).
Copy the UPDATE.APP file (your unlock firmware) into the dload folder on the SD card. e5336bs2 unlock firmware link
Remove the battery from the E5336bs-2. Ensure the SIM card is inserted (a locked one or foreign one – it doesn't matter). The computer will install Balong drivers, and the
Insert the SD card back into the hotspot. Hold down the WPS button (or the Power button – check your variant). While holding the button, connect the hotspot to your PC via USB. Keep holding for about 10 seconds. The computer will install Balong drivers