What is Reddit's opinion of SIMCases Slim SIM Card holder case & MicroSD card Storage + 1 USB Memory card reader 3 sim card Adapters 1 Iphone pin Tray Opener, Holds 4 SIM Cards 1 Micro 1 Nano sim & 2 MicroSD TF cards, CC size?

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Yes, at least I switch around SIM cards without an issue afterwards. I have 4 cell boards and 2 cell phones. Note you may need a "SIM card adapter" like below depending on the size of your phone SIM card, I bought a set of these and they come in handy when using a SIM card from my phone in one of my cell boards.

https://www.amazon.com/dp/B00YFPDAI0

If you do manage to connect, could you post back? I'm very curious to know what 2G availability there is, since I can only connect with 2G/EDGE mode.

Head to a corporate Verizon store (as suggested elsewhere), get a new SIM from them for free, have them activate it on your new phone.

If that doesn't work:

Get a SIM Adapter Tool, get a new Verizon nano-SIM from above, activate it on your Note 4 using the microSIM adapter, then put it in your Note 8 and profit

I've used a Verizon Note 4 and unlocked Note 8 (currently a Canadian Note 8 with US Unlocked firmware) on Verizon, using method #2, and still using the same number.

If you can purchase through US based Amazon, this might work for you:

https://www.amazon.com/SIM-Card-Case-including-Adapters/dp/B00YFPDAI0/ref=sr_1_6?ie=UTF8&qid=1478005624&sr=8-6&keywords=SIM+tool