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So what is it that makes my phone in particular, convert >160 character Text Messages into Photo Messages?
TBH I'm stumped
It shouldn't, unless you are replying to multiple persons (and have the group text convert option on), are including non text charicters or media, or are sending a vLong (more than 5 standard messages in length) message.
Best advice is to take it to a repair centre and let them take a look
One last wild idea, have you in the past had an iPhone, and or, does the person you are sending to have an iPhone
I have been charged for the first time for long txt messages, first time in 10 years so I was very shocked & when I phoned Vodafone they told me it's been in a long time, so as I didn't know they will refund me £5.00. I have a samsung mini Galaxy III & I cannot find anything on my phone to stop or sort it out. The Vodafone personnel told me it is after 120 Characters but other people on the Forum have said 160, but some of my txts were short & I was still charges on ALL INCLUSIVE !!!!
I have also recently been charged for long sms too. It seems to be because my phone (Galaxy S6+, firmware 7.0) automatically converts long sms into 1 MMS, whereas back in the days my more-basic phones would just split the long message into multiple SMS (at 160 texts cut-off).
And because my price plan has inclusive unlimited texts, I was suprised and somewhat angry at Vodafone's billing system. And I wasn't aware there's such silly functionality of converting a long SMS into an MMS.
After diving into the native phone settings, I couldn't find anywhere to swtich off the automatic conversion of MMS. However, I downloaded Vodafone's app, "Message+", and there's a tickbox to remove this silly conversion. So, hopefully from now on my long SMS will just be split into multiple SMS's and will remain inclusive within my price plan.
At first I was inevitably angry at Vodafone. But now I'm afraid I should point the finger at either Samsung or Android.
AFAIK, that's a Samsung thing, and I thought there was an option in the message app settings to split rather than convert (I'm pretty sure there was on my S2). It's a long time since this has arisen and, tbh, I thought Samsung had fixed it (by defaulting to split). It's not a Vodafone issue as they can only carry what was put into the system.