The Smartisan T1 of the Hammer mobile phone has been on sale for some time, but some users who have ordered T1 have received a text message, prompting Hammer Technology to make some adjustments to the design of T1 recently. The backlight of the menu key and the return key has been canceled, and the backlight of the home key remains, while the three physical keys of the previous Hammer handset are all backlighted. For the hardware design of the hammer's key change, we don't know the deeper meaning for the moment.
