No there is no update to convert 4G to 5G. Moreover, if you analyze both the 4G and 5G technologies in a detailed manner you will find out that the hardware and infrastructure of 5G are totally different from 4G and thus you cannot convert from 4G to 5G by simply doing a software update.Accordingly, can a 4g phone be upgraded to 5g?
Current phones have 4G LTE modems, which are incompatible with the new technology used in 5G. The only phone right now which will be upgradeable to 5G is Motorola Moto Z3 but you'll have to put on a 5G Moto Mod to get it to work, and even then it'll only be on Verizon in 4 US cities.
Also Know, can you upgrade your phone to 5g? If you hold on to your phone for a few years, you'll be ready to upgrade once 5G has matured. If you buy a new phone this year, you'll be perfectly fine for the next few years. And, when you're ready to upgrade next, you'll find 5G phones across all price ranges.
Regarding this, will a 5g SIM work in a 4g router?
So yes a 5G network will require a SIM Upgrade although all the SIM Cards are backward compatible with previous generation.
Is it worth waiting for a 5g phone?
Wait a year or two before getting 5G. 5g isn't worth waiting for yet, 600mhz 5g won't be a thing til later on in some phones possibly this year, and not flagships most likely, and 5g on other spectrum is going to have very limited application and auctions for more mmwave are still ongoing.
Is it worth waiting for 5g?
Not only that, but it won't even be accessible to the majority of people for several years. 5G rollouts will still be limited to major cities, so if you're off the rollout map, there's no point in waiting. On top of that, 5G plans are more expensive than the carriers' base offerings.Should I buy 4g or 5g phone?
On Sprint and T-Mobile, 5G feels like good 4G. That's because they aren't using very much spectrum for it. 5G isn't magic, and the frequencies it's on don't make it magic. Its primary magic is that you can use a lot more bandwidth for 5G than for 4G, but you have to have the airwaves available to do that.Will 5g replace WiFi?
While it's certainly possible that 5G can replace WiFi, there's a good chance that it won't. 5G has too many limitations – like capacity and coverage issues. Plus, 5G and WiFi are better as complements rather that competition.Will 4g be phased out?
5G is just a gradual improvement of 4G, so the answer is that 4G will be “phased out”. Except that what will actually happen is that the operating parameters of 4G will be expended to include the range of capabilities of 5G. Strictly for maintenance purposes, the carriers will deploy the same software everywhere.Does iPhone 11 have 5g?
10 September 2019: Apple introduces the iPhone 11, 11 Pro and 11 Pro Max. Of course, none of these handsets were 5G as expected meaning the 5G iPhone is surely nailed on for 2020.Do you need a special SIM for 5g?
If you buy a 5G phone you won't need a new 5G SIM. You'll also need to be in an area that has 5G coverage. If you're using a 5G compatible phone in an area that doesn't have 5G coverage, your phone will automatically swap to 4G, 3G or 2G - depending on the signal that's available.What speed is 5g?
While 4G tops out at a theoretical 100 megabits per second (Mbps), 5G tops out at 10 gigabits per second (Gbps). That means 5G is a hundred times faster than the current 4G technology—at its theoretical maximum speed, anyway.Is 5g worth it in 2020?
2020 will be great for 5G, but not the end of the line It's clear that 5G is capable of delivering nearly 100 times faster speeds than what U.S. 4G smartphone users are accustomed to seeing today, but depending on where you are and the device you choose, the performance difference might be much smaller.Should I buy iPhone 11 or wait for 5g?
Your new iPhone 11 doesn't have 5G, but you shouldn't care. Commentary: Analysts say a lack of 5G could hurt iPhone sales in 2019, but Apple's reputation won't feel the brunt for long. The iPhone 11 channels 4G speeds this year. You won't see 5G on the iPhone 11, 11 Pro or any Apple iPhone until at least 2020.How can I avoid 5g exposure?
Instead of placing your phone against your head whenever you're on a call, consider using a pair of air tube headphones or a speakerphone. This will help you in keeping your phone away from your head and thereby lower your exposure to harmful radiation. 
