[LG V30 Questions & Answers] ChazzMatt:
https://xdaforums.com/lg-v30/help/v30-variant-to-buy-t4035231

Read post #1. Take away the advice that applies to you...

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From even another thread:

REPOSTING THIS REPLY HERE AS IT'S RELEVANT FOR THIS THREAD TOO.

What bands do you need? What carrier do you use? That's a more important criteria. For instance H930DS doesn't have important LTE bands needed for North America and vice versa.

All North American variants -- EXCEPT T-mobile H932 -- can be converted to any other variant (firmware, bands, everything). So, if you buy Sprint LS998 V30+ you can convert it to US998 V30+. For bootloader unlock and root, you need fastboot flash commands, therefore models like the LS998 or VS996 have to be (at least temporarily) converted to US998 for the bootloader unlock and TWRP stage. But after that, Verizon users can go back to VS996 firmware via TWRP-flashable zips. Same with LS998, if you are a Sprint customer. But many people (non-Sprint customers) convert to US998 firmware and stay there -- as it's the official carrier unlocked model and has the least bloatware. People often buy the Sprint LS998 V30+ then convert to US998 V30+, as sometimes it's less expensive than US998 V30+ (many of which on eBay are actually former LS998 V30+, already converted by dealers).

If you need East European languages, then you should get the EU H930 V30 or maybe European H930G (V30+).

While all variants are supported, what NOT to get to save time and trouble?

* The Korean variants (i.e. 300) are a step harder to root -- so if you don't NEED Korean variant then don't get that.

* Likewise with T-Mobile H932. The root method is quite different from the others. If you're not actually a T-Mobile customer, no need to go through that.

* AT&T H931 and Canada H933 take much more prep work to run Lineage-based ROMs. Both have to be temporarily converted to US998 anyway for bootloader unlock, but then there's much more tedious steps to boot Lineage ROMs. If you intend to run Lineage base custom ROMs, then don't buy one of those.

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I run rooted stock firmware myself on US998 V30+ (I've had native US998 and also converted LS998 to US998) -- with most recent LG firmware via TWRP-flashable zips. I use Magisk mods like to give more features and tweaks.

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Go for the US998 V30+, 128GB if you can. Here in the U.S. you can get mint V30+ for $120.

LG V30 US998- 128GB - Titan Black (Factory Unlocked) Smartphone 9/10

https://www.ebay.com/itm/LG-V30-US998-128GB-Titan-Black-Unlocked-Smartphone-9-10/183795406681

https://www.ebay.com/itm/LG-V30-US9...Factory-Unlocked-Smartphone-9-10/173665613177

Both same seller which I have used several times. Don't know why the slight difference in price for same phone, same condition. Your choice.

Be sure to get a good case like this:

Spigen® LG V30 [Rugged Armor] Shockproof Case Slim TPU Cover

https://www.ebay.com/itm/Spigen-LG-V30-Rugged-Armor-Shockproof-Case-Slim-TPU-Cover/253142676754

These phones are like slippery fish with glass backs.

That case is actually slim but very good.

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LG V30/V30+

* 1440P OLED (537 ppi)

* Qi wireless charging

* 3.5mm headset jack

* Quad DAC

* DTS 3D stereo (with root to enable LG libs)

* FM Radio

* IP68 dust/water resistance

* rear camera OIS on normal lens - plus 120 degree wide angle lens

* superfast fingerprint sensor

* 64GB (V30) or 128GB (V30+) internal storage

* microSD port for additional storage

* bootloader unlock and root (all variants)

* no notch

US998

CDMA: 800 MHz CDMA

2G GSM: 850/900/1800/1900 MHz

3G UMTS (HSPA):850/900/1900/2100 MHz

4G LTE Bands: 1/2/3/4/5/7/12(17)/13/20/25/66