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Will Huawei Mobile broadband dongle E303C support 4G sim?

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When Airtel SIM with 3G data package is used in Huawei E303C and plugged into the USB port of HP Sleek book, I am not getting the Internet connection properly. I get ERROR 522 Ray ID 28947a;2837a. Kindly advise how to solve the problem.

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answered by (329k points)

After some searching I have found that this device is 3G ONLY. This means you can attach a SIM card, but the maximum connection speed you'll get in a full supported section will be 3G. For 4G another device that has support for 4G networks is required. You will have to visit a local modem seller to buy one that has 4G capability. There is no tweak or firmware update to make this device compatible with 4G networks.

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