Texting a picture is MMS which by default uses your cellular data. This has been the case since 2G networks existed. If you are sending a picture from an iPhone to a non-iPhone user it will consume your plan data as they are not the same phone compan...
You're right. The quality was so bad trouble hearing with any form of listening (speaker, regular and even with wired and wireless headphones. Plus of course the internet data was so slow that i got lost using google maps as it could not tell my exac...