Disable ehrpd?

[willstilson]

Originally Posted by Droid800

If you disable it, you won't have 3G service.

Also not true. On the Thunderbolt, dialing ##778# brings you to a menu that allows you to switch the 3G modem to Rev A instead of eHRPD. During one of the first 4G outages, where the Bolt was the only LTE phone that VZW had out, this was the only way to get data. Verizon customer service reps were actually instructing some subscribers to do this.

I, like the op, am searching for a way to do this on the SGN. I noticed that my 3G dbm did go up about ten points, during the last outage, when my phone switched to Rev A.

[nkd]

Originally Posted by willstilson

Also not true. On the Thunderbolt, dialing ##778# brings you to a menu that allows you to switch the 3G modem to Rev A instead of eHRPD. During one of the first 4G outages, where the Bolt was the only LTE phone that VZW had out, this was the only way to get data. Verizon customer service reps were actually instructing some subscribers to do this.

I, like the op, am searching for a way to do this on the SGN. I noticed that my 3G dbm did go up about ten points, during the last outage, when my phone switched to Rev A.

Absolutely true. The service menu option gave u the control to force evdo rev.a on thunderbolt. No one seems to have focused on that on GN. The modem certainly supports that mode. It seems when lte goes down the phone doesn't default back to evdo, Verizon does it at their end.

Sent from my Galaxy Nexus using Tapatalk

[Droid800]

Originally Posted by willstilson

Also not true. On the Thunderbolt, dialing ##778# brings you to a menu that allows you to switch the 3G modem to Rev A instead of eHRPD. During one of the first 4G outages, where the Bolt was the only LTE phone that VZW had out, this was the only way to get data. Verizon customer service reps were actually instructing some subscribers to do this.

I, like the op, am searching for a way to do this on the SGN. I noticed that my 3G dbm did go up about ten points, during the last outage, when my phone switched to Rev A.

On the nexus it will. The option does not exist. The only way for a nexus to connect directly to EVDO is if Verizon forces it.


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[Droid800]

Originally Posted by willstilson

Not true. During the outage the other day, many of us actually saw EVDo Rev A, where normally it says eHRPD. I guess this came when Verizon "forced" the 4G phones to 3G.

Most certainly is true. The only reason you saw EVDO is because Verizon decided to bypass EHRPD to force 4g phones onto EVDO. you will never see it during normal usage.


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[Berzerker]

Originally Posted by Droid800

Most certainly is true. The only reason you saw EVDO is because Verizon decided to bypass EHRPD to force 4g phones onto EVDO. you will never see it during normal usage.


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Sorry to bring this back, but this is false. eHRPD acts as a handshake between *1X* and LTE. Not 3G. 3G is ONLY an EvDO technology. eHRPD can fall back on EvDO if it can't handshake between 1X and LTE, but it will still show it as eHRPD. When you're on 3G, you're on Rev. A, not eHRPD.

Fun fact, Rev. A can handoff to LTE if eHRPD is down. It's happened to people during the last outage.

[Droid800]

Originally Posted by Berzerker

Sorry to bring this back, but this is false. eHRPD acts as a handshake between *1X* and LTE. Not 3G. 3G is ONLY an EvDO technology. eHRPD can fall back on EvDO if it can't handshake between 1X and LTE, but it will still show it as eHRPD. When you're on 3G, you're on Rev. A, not eHRPD.

Fun fact, Rev. A can handoff to LTE if eHRPD is down. It's happened to people during the last outage.

That's not true, mainly because you didn't actually read what was posted. Of course its connected through EVDO. But LTE handsets don't connect directly to it. They connect to the EHRPD system, which is the compatibility layer for 3G on 4G devices.

And NO, EHRPD cannot fall back to showing EVDO unless Verizon itself does it. Unless verizon forces users to connect directly to EVDO (as they did during the last outage), a 4G user will NEVER see straight EVDO.

[willstilson]

Originally Posted by Droid800

That's not true, mainly because you didn't actually read what was posted. Of course its connected through EVDO. But LTE handsets don't connect directly to it. They connect to the EHRPD system, which is the compatibility layer for 3G on 4G devices.

And NO, EHRPD cannot fall back to showing EVDO unless Verizon itself does it. Unless verizon forces users to connect directly to EVDO (as they did during the last outage), a 4G user will NEVER see straight EVDO.

Not true. I know for a fact that you can force the Thunderbolt to EVDO. ##778# then go to modem settings then go to Rev A and switch it to enable instead of ehrpd. It causes the handshake between 3 and 4 G to slow down, but during the 4G outages, it helps the phone to fall back to 3G before verizon forces it.
The op is looking for a way to do the same on this phone.

[Droid800]

Originally Posted by willstilson

Not true. I know for a fact that you can force the Thunderbolt to EVDO. ##778# then go to modem settings then go to Rev A and switch it to enable instead of ehrpd. It causes the handshake between 3 and 4 G to slow down, but during the 4G outages, it helps the phone to fall back to 3G before verizon forces it.
The op is looking for a way to do the same on this phone.

Look. We've been over this at least half a dozen times in this thread. You were wrong. Accept it and move on.

[potatolover1102]

Originally Posted by Droid800

Look. We've been over this at least half a dozen times in this thread. You were wrong. Accept it and move on.

Here is the truth. I decided to throw my sim in my thunderbolt and o some speed tests.

Nexus on EHRPD: 200-400kb down and 350-700kb up
Thunderbolt on EHRPD: Basically the same
Thunderbolt on EVDO REV. O: 900-1100kb down and 100-200kb up: So large download difference
Thunderbolt on EVDO REV. A: Same as EHRPD on both phones so clearly verizon has integrated ehrpd with its rev. a network which is weird but I do not understand why my speeds are so slow but on REV. O which is an old technology it blows the doors off the others? Any idea why 3g would be so slow?

[JeffLee919]

Go into phone dialer and dial *#*#4636#*#* and you can set radio options to what you want including 4g only if you wish.