Z1 compact low signal - GSM-Forum

Jerke · 10-02-2015, 10:25

Any one knows where is placed antenna gsm in Xperia Z1 compact ?
My Xperia has low signal after change LCD.

phantomEVO · 10-04-2015, 09:00

the same problem for me: have you solved the problem?

Jerke · 10-06-2015, 15:24

I don't solve my problem yet.

Desmon Hotdog · 10-08-2015, 11:23

Anyone made any progress with this?

I have no idea where the GSM aerial is on this phone, Im guessing that upon replacing the mother board, one of the connectors didnt clip in properly?? Without knowing which connector is the antennae, its hard to know as you are working blind.

Cheers

phantomEVO · 10-09-2015, 11:39

Please help!!! Anyone???

phantomEVO · 10-09-2015, 11:43

COULD IT BE THIS?

Original Sony Xperia Z1 Compact D5503 M51W Antenna Bluetooth WiFi WLAN 1275 6295 | eBay

Desmon Hotdog · 10-16-2015, 17:23

I dont remember seeing that component when I had the phone open, where does it go?

Casper1987 · 10-22-2015, 21:49

The antenna sticker is attached to the middle frame by adhesive, it basically rests on the speaker module.
BTW did you suffer any sound loss/low when you reassembled your z1 compact?

doctodocto · 11-25-2015, 16:23

Quote:

Originally Posted by Casper1987

The antenna sticker is attached to the middle frame by adhesive, it basically rests on the speaker module.
BTW did you suffer any sound loss/low when you reassembled your z1 compact?

This is wi-fi/bluetooth antenna. Gsm antenna are built-in into front housing cover and it have contacts, that are connected to mainboard, if plastic holders on it are broken, then it doesn't have contact with main board = low signal. Insert mainboard into housing, take multimeter and ring this contacts. In my case metal contact on housing did not fully touch the mainboard, i made a little a substrate of foil and put it into contact, then ring it againg - all is good. After reassembling, device signal is ok (in a room with low signal rssl was -128 dbm before this solution, now it -80 dbm).

p.s. Sorry for my bad english.

doctodocto · 11-25-2015, 16:41

postimg (dot) org-image-ecv8mupvd- and / instead of -

Zidanzikral · 04-06-2017, 16:12

Quote:

Originally Posted by doctodocto

This is wi-fi/bluetooth antenna. Gsm antenna are built-in into front housing cover and it have contacts, that are connected to mainboard, if plastic holders on it are broken, then it doesn't have contact with main board = low signal. Insert mainboard into housing, take multimeter and ring this contacts. In my case metal contact on housing did not fully touch the mainboard, i made a little a substrate of foil and put it into contact, then ring it againg - all is good. After reassembling, device signal is ok (in a room with low signal rssl was -128 dbm before this solution, now it -80 dbm).

p.s. Sorry for my bad english.

Can you please show the picture of the antenna contact?

10-02-2015, 10:25	#1 (permalink)
Jerke Junior Member Join Date: Jan 2008 Posts: 18 Member: 686359 Status: Offline Thanks Meter: 0	Z1 compact low signal Any one knows where is placed antenna gsm in Xperia Z1 compact ? My Xperia has low signal after change LCD.

10-22-2015, 21:49	#8 (permalink)
Casper1987 Junior Member Join Date: Oct 2015 Posts: 1 Member: 2476600 Status: Offline Thanks Meter: 0	ORIGINAL Sony Xperia Z1 Compact D5503 antenna Bluetooth Wlan antenna The antenna sticker is attached to the middle frame by adhesive, it basically rests on the speaker module. BTW did you suffer any sound loss/low when you reassembled your z1 compact?

10-04-2015, 09:00	#2 (permalink)
phantomEVO Freak Poster Join Date: Oct 2005 Posts: 128 Member: 194092 Status: Offline Thanks Meter: 6	the same problem for me: have you solved the problem?

10-06-2015, 15:24	#3 (permalink)
Jerke Junior Member Join Date: Jan 2008 Posts: 18 Member: 686359 Status: Offline Thanks Meter: 0	I don't solve my problem yet.

10-08-2015, 11:23	#4 (permalink)
Desmon Hotdog Junior Member Join Date: Oct 2015 Posts: 2 Member: 2469887 Status: Offline Thanks Meter: 0	Anyone made any progress with this? I have no idea where the GSM aerial is on this phone, Im guessing that upon replacing the mother board, one of the connectors didnt clip in properly?? Without knowing which connector is the antennae, its hard to know as you are working blind. Cheers

10-09-2015, 11:39	#5 (permalink)
phantomEVO Freak Poster Join Date: Oct 2005 Posts: 128 Member: 194092 Status: Offline Thanks Meter: 6	Please help!!! Anyone???

10-09-2015, 11:43	#6 (permalink)
phantomEVO Freak Poster Join Date: Oct 2005 Posts: 128 Member: 194092 Status: Offline Thanks Meter: 6	COULD IT BE THIS? Original Sony Xperia Z1 Compact D5503 M51W Antenna Bluetooth WiFi WLAN 1275 6295 \| eBay

10-16-2015, 17:23	#7 (permalink)
Desmon Hotdog Junior Member Join Date: Oct 2015 Posts: 2 Member: 2469887 Status: Offline Thanks Meter: 0	I dont remember seeing that component when I had the phone open, where does it go?

11-25-2015, 16:41	#10 (permalink)
doctodocto Junior Member Join Date: Nov 2015 Posts: 3 Member: 2491979 Status: Offline Thanks Meter: 0	postimg (dot) org-image-ecv8mupvd- and / instead of -