You will have to buy a new phone.

你(们)将必须买一个新电话。

youdao

I would first make a suggestion: "Give my mother to buy a new phone."

我首先提出一个建议：“给我妈妈买个新手机。”

youdao

Translation: We got a loan to buy a new phone, and then called Steve from HR.

翻译成正常的表达就是：我们借款购置了一部新电话，然后从人力资源部给史蒂夫打了电话。

youdao

Several Verizon representatives suggested that I buy a new phone with no credit for the old one to be applied.

FORBES: Readers Say

You'll need to buy a new phone next month.

ENGADGET

Those digital assets will also create a "context" around you that will make it possible for your devices to know and recognize your preferences and needs, so that when you go to buy a new mobile phone or PC, everything you need to get up and running will be instantly on tap.

FORBES: Bill Gates' Swan Song