Vitesse de connection trop faible

Bonjour,
je suis chez neuf telecom (8 méga non dégroupé) depuis 1 mois et il m'est impossible de télécharger à plus de 50 Ko.s.
Je n'ai pas de condensateur sur ma prise, ni de rallonge, et j'ai rebooté plusieurs fois ma neuf Box. voici quelques informations:
Débit flux descendant 7316 Kbps
Débit flux montant 432 Kbps
Marge de bruit flux descendant 10.8 dB
Marge de bruit flux montant 7.8 dB
Atténuation flux descendant 19.5 dB
Atténuation flux montant 28.6 dB
Mode de transmission ADSL2
Temps de service ADSL 1 j 02 h 15 min 50 s

adsl: ADSL driver and PHY status
Status: ShowtimeRetrain Reason: 0
Channel: FAST, Upstream rate = 432 Kbps, Downstream rate = 7316 Kbps
Link Power State: L0
Mode: ADSL2
Channel: Fast
Trellis: U N /D N
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 10.7 7.8
Attn(dB): 19.5 28.6
Pwr(dBm): 0.0 12.9
Max(Kbps): 7356 452
Rate (Kbps): 7316 432
G.dmt framing
K: 247(0) 55
R: 8 16
S: 1 4
D: 64 4
ADSL2 framing
MSGc: 54 12
B: 246 54
M: 1 4
T: 1 1
R: 8 16
S: 1.0759 16.0000
L: 1896 118
D: 64 4
Counters
SF: 5860118 5254390
SFErr: 2629 0
RS: 351607128 2169921
RSCorr: 152450 0
RSUnCorr: 101545 0

HEC: 2439 0
OCD: 13 0
LCD: 0 0
Total Cells: 1631852220 867579
Data Cells: 56684269 29848
Drop Cells: 0
Bit Errors: 0 0

ES: 634 0
SES: 27 0
UAS: 16 0
AS: 94580

INP: 1.08 2.16
PER: 16.13 18.00
delay: 17.21 16.00
OR: 29.74 8.00

Bitswap: 14230 0

Total time = 1 days 2 hours 16 min 52 sec
SF = 5860118
CRC = 2629
LOS = 0
LOF = 0
ES = 634
Latest 1 day time = 2 hours 16 min 52 sec
SF = 508794
CRC = 563
LOS = 0
LOF = 0
ES = 53
Latest 15 minutes time = 1 min 52 sec
SF = 6960
CRC = 2
LOS = 0
LOF = 0
ES = 1
Previous 15 minutes time = 15 min 0 sec
SF = 55746
CRC = 482
LOS = 0
LOF = 0
ES = 15
Previous 1 day time = 24 hours 0 sec
SF = 5351324
CRC = 2066
LOS = 0
LOF = 0
ES = 581
15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
SF = 55745
CRC = 9
LOS = 0
LOF = 0
ES = 4
15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
SF = 55808
CRC = 25
LOS = 0
LOF = 0
ES = 12
15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
SF = 55683
CRC = 2
LOS = 0
LOF = 0
ES = 1
Showtime Drop Reason: 0
Last Retrain Reason: 0

Longueur de ligne : 300 mètres
6/10 sur 300m
Affaiblissement : 3.09 dB


Merci de votre aide