How to send messages to the elderly to 12306?

If the elderly mobile phone wants to send text messages, the first step we need to do is to find the text message on the mobile phone page and click to enter its main page. Step two, we enter the SMS page and can send SMS. We need to click the SMS icon on the page to enter the editing page. The third step, after we enter the editing page, we need to input what we need in the number and content input boxes respectively, such as sending 999 to 12306. The fourth step, after we enter and click Send, if we send it successfully and don't receive a response, we must first check whether our number is wrong or whether the mobile phone has a signal now.

The old machine is characterized by oversized buttons: you can see clearly without reading glasses. Each key has reached more than 1.5 square centimeters. Through the field experiment of 100 elderly people, they can see clearly without reading glasses. Super-large font: the pixels of the font that the elderly can see are more than four times larger than those of ordinary mobile phones, so that parents can see the large font clearly, which truly conforms to the eyesight characteristics of the elderly. It is more than 4 times larger than ordinary mobile phone fonts. Super font, black keyboard, white font, more than 4 times larger than ordinary mobile phone font. Screen color contrast, there are no bigger words in the phone. Super volume: a speaker with excellent sound quality. Speakers to prevent missed calls. Long standby: the original battery has strong endurance, high reliability and durability, which are the core elements of the mobile phone, avoiding frequent charging and making the elderly more worry-free!