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REFERENCE Xiaomi POCO X3 Pro Unknown Baseband/ Null IMEI

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Dr. Einstein

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Joined
Oct 31, 2022
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BRAND: XIAOMI
MODEL: POCO X3 PRO
ISSUE: NO SIGNAL / UNKNOWN BASEBAND, NULL IMEI

NOTE: IMPORTANTE ITO. HINDI ITO WTR ISSUE? PAANO? kapag ang no signal issue mo ay merong IMEI, go for wtr. pero if null, parang iphone lang yan. Go for any baseband related circuit. Sa case kasi ng poco x3 pro, ang naghahandle ng baseband info at signal ay cpu. KAya tayo nag cpu rework.

SOLUTION: CPU REWORK
AS PER TOOLS NA NAKASET UP SAKIN,

QUICK 2008 NOT MODIFIED:
REMOVAL PROFILE:
Size ng nozzle, ung katamtapan lang ginamit ko.
*without using flux sa removal
*Gumamit ako ng mini grinder para tanggalin ung metal shielding
*PAGTANGGAL sa glue, 220 temp/ 30 air
*Lifting sa ram; 350 temp/ 40 air
*Lifting sa cpu; 360 temp/ 45 air


SA pagreball naman, hindi na ako nagbigay ng specific na ginamit ko na tingga kasi at your own preference na yan ... :)

Disclaimer: I am not held responsible sa kakalabasan ng output niyo kapag gagawin niyo na. Kanya kanya tayo ng preference at soldering skill. Do it at your own risk.

See attached images for evidence or proof of success work.

BIBIGYAN ko ng DIIN ung images :) Kong mapapansin jan, pinapakita rin ung linis ng trabaho. Kong kayang ibalik ung metal shielding ng unit, go for it. Usapin un ng mas professional na finished product or atleast linisin ang board, wag mag iwan ng resedue ng flux at tingga hanggat maaari. Always do the job professionally and excellently kahit na charging port lang ang ginagawa natin...


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Last edited:
idol pwidi ba malaman bakit dika nglagay ng flux sa *without using flux sa removal... para my idea po kami mga baguhan sa pag bunot sa cpu.
 
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