vB Easy Archive - how to get rid of proprietary program in mpx220?

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how to get rid of proprietary program in mpx220?
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Posted by: jan2x

hi, dear tech-experts! i recently bought an mpx220 from ebay. it's new and unlocked, i'm now using my t-mobile re-paid sim with it. but i have a problem, actually several problems, which ipairs the maximizing of the phone's smart capabilities. the 1st problem is that whenever i dial #999# to check my balance, i'm getting this message: "Could not open log file". what do I do about this? Also, this phone has a proprietary program which the WAP links to, but could not connect even though my signal is full. Sort of like the default home page embedded by the vendor, which happen to be GoTone.
That home page address bar says wap.monternet.com. How do I change this, or entirely get rid of this default?
Another question: How do you change the default opening screen logo during start-up? Mine says GoTone and some Chinese characters.

Thanks a lot for the help, guys! I really appreciate whatever assistance you can give me about this.