shǒu jī méi diàn, méi wǎng huò zhàng hù yì cháng shí, bèi yòng fāng shì néng jiù jí

手机没电、没网或账户异常时，备用方式能救急。

When your phone is out of power, has no network, or your account is abnormal, backup methods can save the day.