If you are interested in using the ETECSA cellular Internet, here is a set of useful resources.
Steps to know if you can activate Data Internet in Cuba:
Know the IMEI of the phone, by dialing * # 06 #
Send a free SMS to 2266
Write the first 8 digits of your IMEI and send it
✅ You will receive an SMS with the answer you were looking for.
Useful codes
Activation code
Dial * 133 # to buy data plans or activate the consumption fee.
Data Plans Consultation
If you send * 222 * 328 #, you will receive the remaining MB and the validity of the active Data Package.
Bonus query (for navigation in .cu sites)
Each data package comes with a free bonus of 300 MB for national navigation. Mark * 222 * 266 # if you want to know how it goes.
Know your balance Cubacel
And, as always, the main balance of a Cubacel line is consulted through the * 222 #