phone can’t read sim ... I get NO SERVICE

Question

Huawei P30 Pro

2019年4月にHuaweiより発売された新モデルスマートフォンです。6.47" FHD+ OLEDスクリーン、ディスプレイ内に搭載された指紋センサ、40MPメインカメラに加えて、8MP望遠カメラと新イヤホンスピーカーテクノロジーを搭載しています。モデル番号はVOG-L29とVOG-L09です。

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Yuri @jony45

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投稿日: 2020年9月1日

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phone can’t read sim ... I get NO SERVICE

Hi hello there guys …

I opened my phone back cover ….

for doing testpoint for fixing software thing …

I flashed a few firmware ( ROMS)

for test … in beginning everything was working…

in my last try phone was bricked …

so need to open back cover for testpoint…

it’s took me a week to work with phone till

can fix it to work again…

everything looks good…

but I have no network… no service…

phone doesn’t recognize the sim….

I tried to look if something is no connected…

but it’s all look ok….

I don’t know how? and where to check for fixing the problem??

what should I do?

please help

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same here can anyone here help me with my Huawei p30 pro it now not reading sim card

callum flowers さんによる2020年9月18日

I have dual sim Huawei p30 pro and sim card works only In one slot.

Teemu Laulajainen さんによる2020年12月29日

I have this same problem I mean no service at all tryed so many sim cards no any worked. So I bought new replacement sim card board changed still not working .. any idea where is antenna or is build up In sim card board? I would buy antenna but can't find any on eBay etc can anyone help me please localizate problem Huawei p30 pro

Mariusz Tybusz さんによる2021年2月6日

Can someone make it work the sim card reader? I have the same problem with a Huawei p30 pro.

Ulises Castrejón さんによる2021年8月18日

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same here can anyone here help me with my Huawei p30 pro it now not reading sim card — callum flowers
I have dual sim Huawei p30 pro and sim card works only In one slot. — Teemu Laulajainen
I have this same problem I mean no service at all tryed so many sim cards no any worked. So I bought new replacement sim card board changed still not working .. any idea where is antenna or is build up In sim card board? I would buy antenna but can't find any on eBay etc can anyone help me please localizate problem Huawei p30 pro — Mariusz Tybusz
Can someone make it work the sim card reader? I have the same problem with a Huawei p30 pro. — Ulises Castrejón

Tim Guilmain @timguilmain 評価: 13 1 · Answer 1 · 2022-02-02T10:57:30-07:00

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Tim Guilmain @timguilmain

評価: 13

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投稿日: 2022年2月2日

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there is a video on u tube showing that sim card cable to motherboard is the fix

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do you have a link to said video by chance?

Jermaine Chambers さんによる2022年3月28日

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David Greene @intelinstride 評価: 886 11 6 3 · Answer 2 · 2020-09-01T09:40:47-07:00

David Greene @intelinstride

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投稿日: 2020年9月1日

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I don’t know for certain how to fix this, but…standard troubleshooting procedure to help isolate the problem would be:

Have you got the SIM card in the right way, and in snugly?
Have you tried the same SIM card in a different known good phone

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Hi hello there my friend

the answer is yes … for 1…

and yes for 2

I use this sim everyday … also tried other 3 SIM cards ….

still no service…

hope can find good advice… have a good day…

Yuri さんによる2020年9月1日

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Alec @mackiaj 評価: 1 · Answer 3 · 2022-06-09T19:29:05-07:00

I have the same problem. I've tried antenna replacement, sim reader replacement, pcb flex replacement. I have not tried a new charging/ main board flex this is my next theory to try (waiting on part delivery). If main board flex does not fix my next theory is that the main flex connector on motherboard might be "loose", customer had damaged original screen in the same area as main board connector. Would need to resolder or replace and solder main board flex connector. If that is not successful I may have to replace band width ic chip. Note I've also tried going back to earlier software version, did not work on previous software versions.

Huawei P30 Pro

phone can’t read sim ... I get NO SERVICE

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