How are you Miguel, you have to download the corresponding firmware in this link: http://huawei-firmware.com/phone-list/huawei-ascend-y220/y220-u05 Go surfing between the options until you find the one that corresponds to your country, for example, that of Argentina is this: http://huawei-firmware.com/rom/huawei-ascend-y220/y220-u05/634 Then read the flashing method carefully: http://huawei-firmware.com/guide-flash-huawei-stock-firmware/ This method is official Huawei. IMPORTANT: It is very important that you follow everything mentioned in the tutorial to the letter, since if you do wrong, you can resqutlar in a Brickeo * of your phone. * Leave your phone unusable. Greetings.