yù dào fù zá wèn tí shí zhǔn bèi hǎo zhōng wén hào mǎ zhèng jiàn hé wèn tí jié tú qù yíng yè tīng chǔ lǐ gèng wěn

遇到复杂问题时，准备好中文号码、证件和问题截图，去营业厅处理更稳。

When encountering complex problems, prepare your Chinese phone number, documents, and screenshots of the issue; it's more reliable to go to a service hall.