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Thanks for taking the time to have a look, appreciated 🙂   If it was an old secondhand phone I'd be straight in there with the soldering iron etc but yes - don't want to wreck a lovely new phone.   I'm not sure I even trust the info on any of these third party antenna sellers sites.. I guess if I can get any info straight from the Lenovo 'horses mouth' that'd be good enough. I did find a line somewhere on Medion's main site that confirms they actually are part of Lenovo.   I guess I'd need the exact part number of those connectors even if they're not excIusively just test ports; might email their tech support. ... Mehr anzeigen

... and here is a page that suggests sometimes, ports similar to these actually can be ok to use for external antenna connection:   https://telcoantennas.com.au/site/patch-lead-samsung-galaxy-s4   paraphrased quote - "...these are auxiliary ports, not switching ports, the internal antenna will remain connected..."   so just a case of trying to find out the E5005 ports true nature.. ... Mehr anzeigen

Here is a similar port, on a different phone - in this instance it's definitely not an external antenna connector:   http://www.mydigitallife.us/2008/05/verizon-samsung.html   Once, I looked very carefully at similar ports on other phones, and found them to be isolating test points attached to the phone's internal antenna. With nothing attached to the port, the phone's antenna was connected straight through the port itself, to the phone's receiver circuitry. If a probe were inserted into the hole in the port, then the antenna would be disconnected from the phone, and connected instead to whatever was on the other end of the probe.   So.. what are these, on the back of the E5005... useable connectors, or just test points. This is the question.   I do suspect they're just test points, but I really hope they're not. I don't want to mess with them until I know for sure what they are though, because if you mess with those test port things, then you can easily destroy the phone by making the connection between antenna and receiver unreliable. ... Mehr anzeigen

  Sorry - best I could do with webcam and a magnifying glass         ... Mehr anzeigen

Thanks to member cxb1 who wrote in another recent thread "firmware":   These smartphones aren't made by Medion directly. I have a Medion Life E5005, but when I load AIDA64, from the playstore, this reports that the device is made by Lenovo, model B5060, with Mediatek mt6735 hardware (quad ARM A53). By going to the Lenoveshop site, I can see the equivalent Lenovo B model (not the same screen however, but the rest seems the same).  Maybe this is helpful wrt my question above. ... Mehr anzeigen