Review: Palm Treo 750
You should test furthur selecting between the GSM and UMTS band.
As the Treo 750 is one of the best devices I have ever used.
iDen: Original Nextels (Duel Set) maybe i205?
TDMA/GSM (AT&T Blue):
Nokie 8260 -> Nokie\a 2260 -> Nokie 3360 -> Motorola V60 -> V551 -> SDA (Unlocked) -> TYTN (Unlocked) -> TREO 750v (the Best!)
Sanyo VM4500 -> Sanyo 8200 -> Sanyo MM5500 -> Blackberry 7250 -> Motorola Q (The Best Smart Phone)
01. Right Ket [Menu] -> Preferences -> Phone Settings
02. Services -> Band Selection
03. Change network type from Auto to GSM.
See if this stops the dropped calls.
I am happy to give up the UMTS until there is a firmware update with the HSPDA enables officially. This device is that good. I use it on GSM for now and have no problems. If I need to do heavy browsing I reenable the auto band selection. Then go back to GSM later.
I live on the border of UMTS coverage and this is a MAJOR problem at home. My UMTS signal strength in my home office is about 1 bar, but when the phone switches to GPRS it's almost full strength. My phone if left alone on the desk will default to UMTS and will stay there if I don't walk around the house on a call. When a call is in progress, if the call started with a U on the screen and switches to G during the call, all sorts of issues arise. I don't drop calls, but I lose many functions until the call ends.
When UMTS is engaged the phone is evidently using 1900 MHz for voice which is unfortunate because HSDPA uses 1900 MHz for download and 850 MHz for upload (or is it the other way around?). I dare suggest that voice calls when UMTS is engaged always use 1900 MHz. Cingular's voice network on 1900 MHz inherited from AT&T positively stinks.
It seems like it would be fixable through software.
Note that if you have T-Mobile you don't ...
On the bright side, as you stated, the 3G devices are AWSOME and no CDMA/EVDO network can touch the simultaneous voice and data connection. From wh...
I use the Treo 750, it replaces my 8525 (which is a good phone too) and I love the treo. It has been one of the better PDA/Pocket PC's i have used call wise.
I am a cellular dealer and 75% of my sales are PDA'S and the Treo 700 small antenna is its weakness and the reason for all of the dropped calls, now palm is removing the antenna with an embedded one. You think palm would fix this terrible problem. I modified a Treo 600 antenna and installed it on my Treo 700. The 3mm larger antenna is a 1000% improvement. If I could just get the mobile 5.0 to become more stable. I have to reset my Treo daily. The Treos poor cellular quaility has boosted my RIM Blackberry sales 153% this year. My customers buy the Treo first bec...
The worse is that Treo doesn't start searching for new reception, it just remains without signal and I can only reset or restart the phone app.
I cannot avoid this by switching to GSM only -> the same problems...
But interesting is that I have these problems only when I am in roaming networks like in Czech republic in T-Mobile, Vodafone or o2.
In Germany I don't have these problems at all.
Now I got my already 3rd Treo 750 and it's the newest unbranded one with HSDPA....the same problems!!!
Anybody knows about a new firmware?
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