Flash error after a while flashing K750i - GSM-Forum

James_S · 07-08-2005, 00:26

I have a problem phone here... After 20-50% flashing i get the following message:

Quote:

Error flashing block at address: 0x44460000
Script error: Flash error [4.20.68]

Does anyone know whats wrong? Can't be the power source to the cable, as it's working on other phones...

I also have some trouble attaching the phone. Have to try reconnecting cable/battery many times before Cruiser gets connected. Sometimes i get "Bootstrap error: EAccessViolation" when clicking detach.

Btw, this is one of the "slow k750i's", so it's a pain in the *** to retry many times...

Lead · 07-08-2005, 00:36

What is the phone battery voltage?

James_S · 07-08-2005, 00:53

Battery voltage is 2.88. I assume thats the problem?

Do you have any idea how i can get that battery charged when i don't have a working phone OR a charger?

Should i try increasing cable voltage? Would that make any difference?

Lead · 07-08-2005, 01:09

Yes, that's the problem.
Try charging the battery from USB via a 10 Ohm resistor, but do not let the battery voltage exceed 4.15V limit.
When the battery voltage reaches ~3.9V, you may flash the phone.

Lead · 07-08-2005, 01:09

USB:
red cable = 5V
black cable = GND

Lead · 07-08-2005, 01:11

Btw, you may use also a resistor of a larger value, but the battery will be charged at somewhat slower rate then.

James_S · 07-08-2005, 01:18

Thank you

.....

07-08-2005, 00:53	#3 (permalink)
James_S No Life Poster Join Date: Jan 2005 Age: 54 Posts: 1,726 Member: 105625 Status: Offline Thanks Meter: 44	Battery voltage is 2.88. I assume thats the problem? Do you have any idea how i can get that battery charged when i don't have a working phone OR a charger? Should i try increasing cable voltage? Would that make any difference? Last edited by James_S; 07-08-2005 at 01:07.

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07-08-2005, 00:36	#2 (permalink)
Lead No Life Poster Join Date: Aug 2008 Age: 52 Posts: 3,292 Member: 1841 Status: Offline Thanks Meter: 469	What is the phone battery voltage?

07-08-2005, 01:09	#4 (permalink)
Lead No Life Poster Join Date: Aug 2008 Age: 52 Posts: 3,292 Member: 1841 Status: Offline Thanks Meter: 469	Yes, that's the problem. Try charging the battery from USB via a 10 Ohm resistor, but do not let the battery voltage exceed 4.15V limit. When the battery voltage reaches ~3.9V, you may flash the phone.

07-08-2005, 01:09	#5 (permalink)
Lead No Life Poster Join Date: Aug 2008 Age: 52 Posts: 3,292 Member: 1841 Status: Offline Thanks Meter: 469	USB: red cable = 5V black cable = GND

07-08-2005, 01:11	#6 (permalink)
Lead No Life Poster Join Date: Aug 2008 Age: 52 Posts: 3,292 Member: 1841 Status: Offline Thanks Meter: 469	Btw, you may use also a resistor of a larger value, but the battery will be charged at somewhat slower rate then.

07-08-2005, 01:18	#7 (permalink)
James_S No Life Poster Join Date: Jan 2005 Age: 54 Posts: 1,726 Member: 105625 Status: Offline Thanks Meter: 44	Thank you .....