Color printing of text sent by USSD or Flash message is not supported.
Extended data:
Color printing word limit: the word limit is less than 50 (including Chinese characters, letters and punctuation marks). Non-China mobile phone numbers cannot receive the set text color printing content. This service will take effect in the opening month. After opening the color printing package, you can unsubscribe from the service, but the fee is not refundable.
Basic packaging for color printing, 2 yuan/month. The color printing package will take effect within 24 hours after the order is successful. After unsubscribing and color matching are successful, the color matching of the text will take effect immediately and stop pushing.
Text color printing needs the support of USSD information function. At present, smartphones on the market basically support USSD information function.
References:
China Mobile-Color Printing Basic Package-Frequently Asked Help