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TechGuru

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Everything posted by TechGuru

  1. TechGuru
    Fired up my Samsung M510. "No Service" (CDMA) found from Sprint or Verizon. So the only old tech still running AFAIK is T-Mobile's EDGE.
  2. TechGuru
    They keep saying it's been unlocked in their system but they have failed to provide me with the unlock code. I don't think this phone can be OTA unlocked. Who do I need to contact to get the unlock code? T-Mobile says they don't have it, the SPC code does not work to unlock it. I contacted Sonim and they said T-Mobile has to contact them, T-Mobile refuses to contact Sonim.
  3. TechGuru
    If I switch to a T-Mobile SIM (TNX) will I lose the ability to roam on AT&T? (I know I'll lose the ability to roam on Verizon 1x voice). There is a area I travel though frequently that literally has nothing but AT&T and Verizon and has been fine for me for many years with Sprint as I would always just roam on Verizon there and the past year and a half I started roaming on AT&T there instead.
  4. TechGuru
    I have not heard anything. Only that non-volte devices won't be allowed on the T-Mobile network... https://www.androidpolice.com/2020/07/25/t-mobile-will-soon-require-volte-on-all-phones-incomopatible-devices-kicked-off-january/ AT&T has announced Feb 2022 https://www.att.com/support/article/wireless/KM1324171 Verizon to end CDMA Jan 2021 IIRC...
  5. TechGuru
    What is the difference between SOI0003a and SGI0003a
  6. TechGuru
    Got it on my iPhone 6s after manually updating.
  7. TechGuru
    Better yet. Any word on eSIM support on the SE?
  8. TechGuru
    Huh? The networks are merging, Sprint 41 (2500mhz) will become T-Mobile...
  9. TechGuru
    ICCID = SIM CARD NUMBER. Without a SIM card there is no ICCID...
  10. TechGuru
    I'm not seeing this A, B, C...
  11. TechGuru
    I have a Verizon LG G2 and it does have a SIM... The only difference between the two is the supported LTE bands... https://www.phonescoop.com/phones/compare.php?p=4112,4215
  12. TechGuru
    Is that site that compares and shows changes in PRL's still around?
  13. TechGuru
    I would do the ESIM and IMEI (for CDMA) with Sprint and use a physical Verizon SIM...
  14. TechGuru
    You mean the band that it is using works in your apartment. If they replace it with LTE on that same frequency you should be fine.
  15. TechGuru
    Interesting. Mine does not contain "SG". You're going to have a different SIM card on that newer iPhone so the question is does it match the other iPhone's SIM?
  16. TechGuru
    The version number is printed on the sim card itself.
  17. TechGuru
    Are your SIM card's part and version numbers identical?
  18. TechGuru
    I meant to mention assuming I could update the associated IMEI through the website.
  19. TechGuru
    I've had PRL's in the 5xxxx series ever since iOS 9.3.3 so I don't think the iOS version is the problem. Someone here mentioned the SIM
  20. TechGuru
    Have you done a ##CLEAR# then a ##UPDATE# since switching?
  21. TechGuru
    What would happen if I put a iPhone 8 SIM in a iPhone 6s??? I find it odd that Sprint needs different SIM's for different phone's when the other 3 carriers and MVNO's can provide a single universal SIM...
  22. TechGuru
    Ya, I wonder that too. There is no Sprint where I am living right now and I'm roaming on AT&T LTE for data and AT&T HSDPA for voice. I checked the maps and there is T-Mobile here. So why prefer AT&T over T-Mobile?!
  23. TechGuru
    I am concerned about what Sprint is going to do about voice for iPhone's 6, 6+, SE, 6s, 6s+, 7, and 7+. Right now with my 6s my voice calls go over AT&T HSDPA when I'm outside of Sprint coverage. I'm wondering if Sprint will support VoLTE on these phones or decide to just pawn us off on AT&T for voice even inside Sprint coverage areas, which I believe AT&T plans to shut down HSDPA in 2022.
  24. TechGuru
    I get 128kbps - 512kbps on "Extended Network LTE" and I'm 99% sure it's on AT&T's network. I get about 5mbps/5mbps on "Extended LTE" and I'm not sure if it's Verizon or T-Mobile's network... Neither of which seem to go towards my 300mb data roaming limit. The only thing that seems to go towards that limit is "Extended 3G" which is on Verizon.
  25. TechGuru
    Well Tier 1 tech support is clueless. Have to try Tier 2...
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