I had the same problem after the USB connector in the router became la bit oose after much plugging and unplugging of the USB modem. A friend gave me his brand new 3420 and I don't have this problem...

Hi, The E303H is not listed for India (see here) but you can find a E303 s-1 listed for Vietnam (see here). The fact that it is not listed does not mean it will not work, I'm using an Airtel ZTE...

Hi orko, PMing you is not enabled, you might want to change your settings. Anyway I'll write it here: If you don't experience the problem when connecting the modem directly to your computer try using...

Some modems are not listed but actually work. There is a support forum link on their website. Regarding warranty, I believe it's a reversible process and you can always go back to the original...

Hi, You may also look into: http://ofmodemsandmen.com Good luck

Hi, I'm using a Model : TL-MR3220, Hardware Version : V1 and latest firmware along with an Airtel ZTE MF 190U.