Why did I receive a text message about 49 yuan package upgrade?

Handling the 3G package in 49 yuan includes 100 minutes of domestic calls and 200M mobile Internet access. Now the telecom company gives back to the old customers, and enjoys the 59 yuan 4G package by upgrading the package, including 500 minutes of domestic calls and mobile Internet access in the province1g. If you agree to handle it, please reply to SDY and we will upgrade the package. The new package will take effect on 1 next month. Customer service 32 answers for you. The traffic supermarket has a complete range of goods, and you can freely choose traffic packages, packages, voice packages and holiday traffic packages according to your needs; The official account of China Telecom's customer service WeChat in Guizhou replied that the keyword "flow supermarket" can be handled directly, which is convenient and fast.