Samsung A640

P

Pez

New member
Hello, I have a Samsung A640 that I flashed over to cricket. The problem I'm having is everytime I dial a nuraber it rings and then the phone reset "low battery warning" even thouhg the battery is full. I uploaded the prl. Configured settings. Has anyone seen this before.
 
Hi,

I also have a Qwest A640 that will shut down about 10 seconRAB into a phone call. The call will be active and the speaker/mic will continue to work 10 or 20 seconRAB after the phone has appeared to shut off, complete with low-battery-warning-phone-turning-off alert and the usual Qwest shutdown animation. I am 100% double-extra-there-could-be-no-doubt-certain that it is not a faulty battery. I suppose it could be a faulty battery interface on the phone, but highly unlikely, and that would be impossible to diagnose and not nearly as interesting.

Here is what I've done up to this point... I have two A640s, one is a qwest, the other is a sprint with ptt. I've successfully switched both to cricket, as well as changed the MSL to 000000. The Sprint A640 works just fine, and a friend used it for a month with no issues.

Neither phone will do a *228 or *22807 with a live ESN. About as soon as it looks like the *228 is working, both phones display an alert:

LOW BATTERY WARNING
Phone Turning Off!

...and then they proceed to turn off. I have tried numerous, fully-charged batteries, so that is prob not the issue. It does this when plugged into a wall charger or a car charger, with or without a battery. I've had this same problem on a couple of Sprint SPH-A680s, a couple Sprint SPH-M300s as well as a couple of Helio Heros(Pantech IM-8300), and that's not a big deal, just one of those quirks with sprint phones we learn to work around. I've had to manually program those phones with the MIN/MDN, and then they all worked just fine.

Well, all except this one Qwest Samsung SPH-A640. It now lives in a big box, with a bunch of other low-rent phones.

Text messaging seemed to work fine though.

I have found no solution to this problem, and I've tried all the obvious, and probably not-so-obvious fixes that I could think of, and believe me, I think of some weird-wacked-out stuff to troubleshoot things.

It would be great to have a .bin firmware file to reflash it, but I have not found one yet, nor even gotten a hint that it exists on the public internet, free or fee.

My advice is to compete for the best A640 destruction video. The winner gets whatever parts survive the destruction.

Jay
 
you will need your spc...you can get it using bitpim...it is in the nvm/security folder on most phones...you can also use cdma workshop full version or a plethora of other programs...
 
thanks I just find another program that will read and write your your spc direcly after that you can use qxdm to load up your prl
I never made the bitpim work I cannot read the phones at all

any ideas ?
 
something like all samsungs is alil program but it reaRAB the phones and yes i found why it was not working i have averything figuered out

but now i am sucked with sanyos I can not read the spc from a 3100 sanyo none of the programs I have will read it some one told me that qxdm will but I dont know the comand for it

any one kwnos it ?
 
sanyo 3100 is easy, get ALL Sanyo SPC reader, and choose 3100. Make sure to press #### on the phone to reset the dynamic memory to the original location, and it shouldn't have a problem finding it. On some katana's I had to do a reset default (reset settings to default) for it to read it though.
 
I HAD the same problem and i spent the last 6 hours trying to figure anything out...I DID...not easy though.

dial 47*869#1235 (TEST MODE)
there are misc settings from 001 002 003 all the way to ??? but i got to about 300 and was done messing with it. but i changed some "safe" settings like NAI 1 to a 0. or backup from 1 to 0, just trying to disable whatever in the hell sprint cluster****ed us with. and when i was done in the high 200's (some are just blank nurabers) it restart and i made a call. stayed on the phone with the automated customer service line for an hour and a half just amazed something worked. so if you want your phones going i got the remody. just loooonnngg work :2thurabs:
 
and look how smoothly this dude thread jacked us. "samsung ......not working.....Hey how about my sanyo?" **** your sanyo, people had a serious enough problem to make their own thread "SAMSUNG A640" and you forced your "question that could've been searched in 10 minutes on 3 websites" from an Origional problem, there are no other threaRAB on this issue. and someone should rewrite a HOW TO on flashing this phone to cricket or whatever without the "low battery", but feel free to remove by bashes and rarabling and insert your own additions like what 042 does and if you should mess with it. but you sir do get credit for jacking the thread without anyone noticing. i was on the 2nd page before I noticed we weren't talking about the same thing anymore.
 
I also managed to fix my a640 in test mode shortly after posting in this thread, but I never posted the fix, although I meant to.

Test mode is where it's at. And the values you want to look at are:

0xx BATT TYPE:1 (Batt_IDV:001)
0xx BatteryValue
0xx BattVal__219
0xx BattVal__219
0xx Therm_vl:149
0xx BATT_VAL:183
0xx BATT_VAL:183

I don't have notes on the item#s for the A640. However on an instinct M800, these items are located at these #s: 052, 053, 054, 055, 056, 057
They are probably at slightly different location on A640, but they will have same names and also be grouped together. Just look for a value that is grossly different from the rest. Generally they'll be close to 200... +/-

On my two A640s with problems, one of the batt values was 0 or close to it. I changed it to 200, and the problem was solved....
 
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