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Guide: HTC Cruise Polaris Screen replacement/dismantling

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By Reuvenm, Senior Member on 14th May 2008, 12:21 PM
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It happened to me that the TC fell on the sidewalk face down, so I had to find and replace the screen. Couldn't find any pictorial guide so I decided to share my experience for the benefit of others with the same problem.

Cause: Cell phone shocked, fell down, hit
Symptoms: touch screen works OK, but display has cracks, blackened areas, which are spreading as time goes by.
Screen type : TC combines the matrix sensor (touch) and the LCD in 2 layers, the front touch-glass and shell, and the LCD itself underneath it.
Source of display: I bought via eBay on this source: Asia Bol
http://stores.ebay.com/newasiabol
Cost $70 inc. shipping and arrived within a week and a half. Rumors insists the at below $100 a screen is either factory dropout or refurbished.

Tools needed: Torx screwdriver T5-50, the size can be viewed after removing battery door, at lower corner.
A flat sharp tool ("fish knife") to help open the plastic case, but not too sharp to scratch the phone.

Here are the pictures and some notes:
1. Remove battery case and battery, SIM
2. Remove 2 screws from lower side
3. Prick open the shell with the flat tool
4. Prick open the top shell with the flat tool

5. CAREFUL as there are 2 tiny ribbons from the touch screen/hardware buttons into the PCB, one is held in place with sticky band (keys), the other (digitizer) is locked in-place with a lever, tiny one! - pull them out, not before noticing where they went into and lifting the lever on the smaller one.
6. Take apart the FRONT shell with the flat tool slowly as not to tear ribbons
7. Pull the LCD ribbon out
8. Carefully pull the old screen as it is held in place with sticky gum
9. Clean interior glass of phone if needed, pull out new screen protective sheet and put in place.
10. Connect new screen ribbon, 2 keyboard/jog tiny ribbons
11. Press shells in place
12. Pray you didn't forget anything and load SIM and battery
13. Good luck
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14th May 2008, 12:23 PM |#2  
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more pictures...
following...(please note that where it's marked on the above picture as "jog wheel" - it is not. it's the glass digitizer ribbon.
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14th May 2008, 12:39 PM |#3  
qtek_metanol's Avatar
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Excelent work....!!!
14th May 2008, 12:43 PM |#4  
taiseer999's Avatar
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Awesome man
14th May 2008, 03:29 PM |#5  
rhov23's Avatar
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Great contribution! You give me hope for the next generation of xda'ers!
14th May 2008, 07:44 PM |#6  
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Thank you!
15th May 2008, 08:02 AM |#7  
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Excellent work! Must be added to Polaris wiki page (if it hasn't yet!)
15th May 2008, 08:44 AM |#8  
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my lcd screen crashed 1 month ago. replaced a new screen for 450 CNY included the handwork fee.
20th May 2008, 05:47 PM |#9  
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great job.... thanks for sharing

My TC has got a big scratch on the screen (cheers to Jack, my cat who is responsible for that )...

I just ordered a new LCD screen, and by "mistake" i only ordered the digitizer...

Now after reading this post, it seems that I accidentaly did the right thing, since is only the front panel which is scratched and not the LCD itself... Am I correct?

Anyway do i have to disassemble the whole phone to get the front panel out???
20th May 2008, 06:42 PM |#10  
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As you see on the completly dismanteled TC picture above (left on the last picts row), there are:
Glass top, actually the outer top shell, and the LCD & Digitizer are one piece (the 'glassy' square with flat orange attachement)
If the scratch in on the shell glass, that's not the LCD screen, it is the so called "LCD LENS GLASS" or "faceplate".
If the TC fell and you see cracks and smears on the screen instead of what should be displayed, that's the LCD.
Please make sure where your scratches are.
21st May 2008, 02:38 PM |#11  
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Question
Quote:
Originally Posted by Reuvenm

As you see on the completly dismanteled TC picture above (left on the last picts row), there are:
Glass top, actually the outer top shell, and the LCD & Digitizer are one piece (the 'glassy' square with flat orange attachement)
If the scratch in on the shell glass, that's not the LCD screen, it is the so called "LCD LENS GLASS" or "faceplate".
If the TC fell and you see cracks and smears on the screen instead of what should be displayed, that's the LCD.
Please make sure where your scratches are.

Thanks for the Info,you ve been very helpful .... Well my scratch is on the outside and I couldnt find any outside faceplate for my TC... Instead I ordered the digitizer (see picture attached) which for me it seemed as the right option (I did that before reading your post )... Now I will just have to wait and see when it comes, if i did the right thing........ I will let you know
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