LG Shine Ke770 — loss of mobile

LG SHINE KE770 — BATTERY

DESPITE OF FULL CHARGING OF THE BATTERY.IT HARDLY LASTS FOR 2.5-3 HOURS(WITHOUT ANY USE OF MULTIMEDIA)...PLS. HELP ME OUT IN REPLACING MY BATTERY. MY PHONE IS UNDER WARRANTY PERIOD OF 1 YEAR.
I EXPECT A CO-OPERATIVE RESPONCE FROM YOU.

LG — Shine KE770

On 15 th July 2009 I lost the display of my mobile but phone was working well, then I searched for the service center in bangalore and asked them whether they have the product (display) present with them,
They told "They have it and wiil be changed immeditly if i got to there service center" .
On 17 th July 2009 When i went to there service center
They told "They got the faulty display from LG, hence will replace once they get(from LG)".
On 20th July 2009, I called service center
They told "the display was changed but the phone went dead they told".
On 21th July 2009, I called service center
They told "The display was changed but software need to be reflashed hence asked for my permission to reflash, has all my phone number and data will be lost".I aggreed
On 21th July 2009, I called service center
They told "The power went in middle of the flash cycle(1 hour) hence they will do it tommorow"
On 22th July 2009, I called service center
They told "The application has problem and they are working to hard to bring up".
On 23rd July 2009, I called service center
They told "The board has the problem and has to replace the board”

Tell me who is responsible for this and on which lucky day I will see back my phone in working condition.
Center Code:IN018437CDM00512
JOB ID:R[protected].

I am waiting to know the climax to see will the SERVICE CENTER WILL BE SCREWED or THE CUSTOMER WILL BE SCREWED

sir, I had lost my mobile, my name is mr. Shyamkumar kohadm, Add- Pratap nagar, ward no, - 10, phone make - LG, Model - shile, lastused no - [protected], lost in Fe, 2009, imei no.-[protected], S/N 712kpmz522155,

thanks