@geeker_life Hello， Sorry to tell you that this model is end of life now, so it doesn't have any firmware upgrade. Thank you for your cooperation and have a nice day!

@Hally8 Hello， Sorry to tell you that our product doesn't support this function. Have a nice day!

@Morhafonline Hello， Please find the firmware version of the M7350. https://www.tp-link.com/en/support/faq/315/ What error information can you see when you upgrade the firmware version? May I have a...

@WL.Lee Hello, 1. Please insert your SIM card to your cell phone and test the 4G data speed, then send me a screenshot of it. 2. Then disable the 4G data on your cell phone, open the hotspot on your...

@gianlucam Hi, sorry to tell you that we can provide an English service for global users now. You are suggested to contact the local tech support to get some suggestions....

@electrician Hello, For your case, it is the normal upgrade, you can refer to the following step to upgrade it. If it still has any problem, please send me a screenshot and send me a screenshot of...